31242001445112 has 16 divisors (see below), whose sum is σ = 78105003612840. Its totient is φ = 10414000481696.

The previous prime is 31242001445093. The next prime is 31242001445129. The reversal of 31242001445112 is 21154410024213.

It is a self number, because there is not a number n which added to its sum of digits gives 31242001445112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650875030083 + ... + 650875030130.

Almost surely, 2^{31242001445112} is an apocalyptic number.

It is an amenable number.

31242001445112 is an abundant number, since it is smaller than the sum of its proper divisors (46863002167728).

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

31242001445112 is a wasteful number, since it uses less digits than its factorization.

31242001445112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301750060222 (or 1301750060218 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 31242001445112 its reverse (21154410024213), we get a palindrome (52396411469325).

The spelling of 31242001445112 in words is "thirty-one trillion, two hundred forty-two billion, one million, four hundred forty-five thousand, one hundred twelve".