31101322203012 has 24 divisors (see below), whose sum is σ = 73050346194112. Its totient is φ = 10298451060000.

The previous prime is 31101322203011. The next prime is 31101322203037. The reversal of 31101322203012 is 21030222310113.

It is a self number, because there is not a number n which added to its sum of digits gives 31101322203012.

It is not an unprimeable number, because it can be changed into a prime (31101322203011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8582040739 + ... + 8582044362.

Almost surely, 2^{31101322203012} is an apocalyptic number.

It is an amenable number.

31101322203012 is an abundant number, since it is smaller than the sum of its proper divisors (41949023991100).

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

31101322203012 is a wasteful number, since it uses less digits than its factorization.

31101322203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17164085259 (or 17164085257 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31101322203012 its reverse (21030222310113), we get a palindrome (52131544513125).

The spelling of 31101322203012 in words is "thirty-one trillion, one hundred one billion, three hundred twenty-two million, two hundred three thousand, twelve".