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1310401131 = 31341980191
BaseRepresentation
bin100111000011011…
…0010001001101011
310101022202021102020
41032012302021223
510140430314011
6334010235523
744321140314
oct11606621153
93338667366
101310401131
11612761846
12306a25ba3
1317b63a2b0
14c606b60b
157a097006
hex4e1b226b

1310401131 has 16 divisors (see below), whose sum is σ = 1886115840. Its totient is φ = 804466080.

The previous prime is 1310401117. The next prime is 1310401133. The reversal of 1310401131 is 1311040131.

It is not a de Polignac number, because 1310401131 - 210 = 1310400107 is a prime.

It is a super-2 number, since 2×13104011312 = 3434302248252158322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1310401131.

It is not an unprimeable number, because it can be changed into a prime (1310401133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23755 + ... + 56436.

It is an arithmetic number, because the mean of its divisors is an integer number (117882240).

Almost surely, 21310401131 is an apocalyptic number.

1310401131 is a deficient number, since it is larger than the sum of its proper divisors (575714709).

1310401131 is a wasteful number, since it uses less digits than its factorization.

1310401131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80626.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1310401131 is about 36199.4631313781. The cubic root of 1310401131 is about 1094.2958522041.

Adding to 1310401131 its reverse (1311040131), we get a palindrome (2621441262).

The spelling of 1310401131 in words is "one billion, three hundred ten million, four hundred one thousand, one hundred thirty-one".

Divisors: 1 3 13 39 419 1257 5447 16341 80191 240573 1042483 3127449 33600029 100800087 436800377 1310401131