31012231244100 has 72 divisors (see below), whose sum is σ = 89732226540768. Its totient is φ = 8269605369600.

The previous prime is 31012231244069. The next prime is 31012231244119. The reversal of 31012231244100 is 144213221013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5725672 + ... + 9736928.

Almost surely, 2^{31012231244100} is an apocalyptic number.

31012231244100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31012231244100 is an abundant number, since it is smaller than the sum of its proper divisors (58719995296668).

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

31012231244100 is a wasteful number, since it uses less digits than its factorization.

31012231244100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037045 (or 4037038 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31012231244100 its reverse (144213221013), we get a palindrome (31156444465113).

The spelling of 31012231244100 in words is "thirty-one trillion, twelve billion, two hundred thirty-one million, two hundred forty-four thousand, one hundred".