1031315133500 has 48 divisors (see below), whose sum is σ = 2252496792000. Its totient is φ = 412506907200.

The previous prime is 1031315133463. The next prime is 1031315133509. The reversal of 1031315133500 is 53315131301.

It is a super-2 number, since 2×1031315133500² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1031315133500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031315133509) 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, 16343009 + ... + 16405991.

It is an arithmetic number, because the mean of its divisors is an integer number (46927016500).

Almost surely, 2^{1031315133500} is an apocalyptic number.

1031315133500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031315133500 is an abundant number, since it is smaller than the sum of its proper divisors (1221181658500).

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

1031315133500 is a wasteful number, since it uses less digits than its factorization.

1031315133500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95751 (or 95739 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 26.

The spelling of 1031315133500 in words is "one trillion, thirty-one billion, three hundred fifteen million, one hundred thirty-three thousand, five hundred".