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1031130111310 = 2513172341796263
BaseRepresentation
bin11110000000101000010…
…01001101110101001110
310122120112020012221010121
433000110021031311032
5113343223302030220
62105410012455154
7134332236222025
oct17002411156516
93576466187117
101031130111310
11368333080312
12147a0b47a4ba
1376309825150
1437c9a9cb8bc
151bc4e6c2eaa
hexf01424dd4e

1031130111310 has 256 divisors, whose sum is σ = 2291264962560. Its totient is φ = 330104586240.

The previous prime is 1031130111217. The next prime is 1031130111313. The reversal of 1031130111310 is 131110311301.

It is a super-2 number, since 2×10311301113102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031130111313) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 164635239 + ... + 164641501.

It is an arithmetic number, because the mean of its divisors is an integer number (8950253760).

Almost surely, 21031130111310 is an apocalyptic number.

1031130111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031130111310 is an abundant number, since it is smaller than the sum of its proper divisors (1260134851250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031130111310 is a wasteful number, since it uses less digits than its factorization.

1031130111310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 1031130111310 its reverse (131110311301), we get a palindrome (1162240422611).

The spelling of 1031130111310 in words is "one trillion, thirty-one billion, one hundred thirty million, one hundred eleven thousand, three hundred ten".