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10312211313131 = 7131971173348473
BaseRepresentation
bin1001011000001111111110…
…1100010011000111101011
31100111211121201220021001012
42112003333230103013223
52322423402044010011
633533210421014135
72113014131616650
oct226037754230753
940454551807035
1010312211313131
1133164254a1642
1211a66aa85434b
1359a58bb373b0
14279183d77c27
1512d39e6b3a8b
hex960ffb131eb

10312211313131 has 64 divisors (see below), whose sum is σ = 13556215572480. Its totient is φ = 7616261882880.

The previous prime is 10312211313119. The next prime is 10312211313137. The reversal of 10312211313131 is 13131311221301.

It is not a de Polignac number, because 10312211313131 - 222 = 10312207118827 is a prime.

It is a super-2 number, since 2×103122113131312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10312211313097 and 10312211313106.

It is not an unprimeable number, because it can be changed into a prime (10312211313137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 212717111 + ... + 212765583.

It is an arithmetic number, because the mean of its divisors is an integer number (211815868320).

Almost surely, 210312211313131 is an apocalyptic number.

10312211313131 is a deficient number, since it is larger than the sum of its proper divisors (3244004259349).

10312211313131 is a wasteful number, since it uses less digits than its factorization.

10312211313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50316.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 10312211313131 its reverse (13131311221301), we get a palindrome (23443522534432).

The spelling of 10312211313131 in words is "ten trillion, three hundred twelve billion, two hundred eleven million, three hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 7 13 19 71 91 133 247 497 923 1349 1729 1733 6461 9443 12131 17537 22529 32927 48473 122759 123043 157703 230489 339311 428051 630149 861301 920987 1599559 2337817 2996357 3441583 4411043 6446909 11196913 11972831 16364719 24091081 30391621 44740579 65390077 83809817 84003709 212741347 313184053 457730539 588025963 850071001 1092048217 1596070471 5950497007 5964263339 7644337519 11172493297 20748916123 41749843373 77535423407 113321003441 145242412861 542747963849 793247024087 1473173044733 10312211313131