31432104020112 has 40 divisors (see below), whose sum is σ = 81668963935104. Its totient is φ = 10416805183104.

The previous prime is 31432104020081. The next prime is 31432104020147. The reversal of 31432104020112 is 21102040123413.

It is a super-2 number, since 2×31432104020112² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 1892579848 + ... + 1892596455.

Almost surely, 2^{31432104020112} is an apocalyptic number.

It is an amenable number.

31432104020112 is an abundant number, since it is smaller than the sum of its proper divisors (50236859914992).

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

31432104020112 is a wasteful number, since it uses less digits than its factorization.

31432104020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785176487 (or 3785176481 counting only the distinct ones).

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

Adding to 31432104020112 its reverse (21102040123413), we get a palindrome (52534144143525).

The spelling of 31432104020112 in words is "thirty-one trillion, four hundred thirty-two billion, one hundred four million, twenty thousand, one hundred twelve".