31441200401112 has 64 divisors (see below), whose sum is σ = 83533816857600. Its totient is φ = 9827507796480.

The previous prime is 31441200401099. The next prime is 31441200401123. The reversal of 31441200401112 is 21110400214413.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142069812 + ... + 142290947.

It is an arithmetic number, because the mean of its divisors is an integer number (1305215888400).

Almost surely, 2^{31441200401112} is an apocalyptic number.

It is an amenable number.

31441200401112 is an abundant number, since it is smaller than the sum of its proper divisors (52092616456488).

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

31441200401112 is a wasteful number, since it uses less digits than its factorization.

31441200401112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284361056 (or 284361052 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 31441200401112 its reverse (21110400214413), we get a palindrome (52551600615525).

The spelling of 31441200401112 in words is "thirty-one trillion, four hundred forty-one billion, two hundred million, four hundred one thousand, one hundred twelve".