31201103243112 has 32 divisors (see below), whose sum is σ = 85093917936480. Its totient is φ = 9454879770560.

The previous prime is 31201103243087. The next prime is 31201103243131. The reversal of 31201103243112 is 21134230110213.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59092998303 + ... + 59092998830.

It is an arithmetic number, because the mean of its divisors is an integer number (2659184935515).

Almost surely, 2^{31201103243112} is an apocalyptic number.

It is an amenable number.

31201103243112 is an abundant number, since it is smaller than the sum of its proper divisors (53892814693368).

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

31201103243112 is a wasteful number, since it uses less digits than its factorization.

31201103243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118185997153 (or 118185997149 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31201103243112 its reverse (21134230110213), we get a palindrome (52335333353325).

The spelling of 31201103243112 in words is "thirty-one trillion, two hundred one billion, one hundred three million, two hundred forty-three thousand, one hundred twelve".