1031013231100 has 72 divisors (see below), whose sum is σ = 2241302866880. Its totient is φ = 411667937280.

The previous prime is 1031013231029. The next prime is 1031013231113. The reversal of 1031013231100 is 11323101301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153810349 + ... + 153817051.

Almost surely, 2^{1031013231100} is an apocalyptic number.

1031013231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031013231100 is an abundant number, since it is smaller than the sum of its proper divisors (1210289635780).

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

1031013231100 is a wasteful number, since it uses less digits than its factorization.

1031013231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9239 (or 9232 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1031013231100 its reverse (11323101301), we get a palindrome (1042336332401).

The spelling of 1031013231100 in words is "one trillion, thirty-one billion, thirteen million, two hundred thirty-one thousand, one hundred".