31400112103240 has 64 divisors (see below), whose sum is σ = 72935616821760. Its totient is φ = 12153828072960.

The previous prime is 31400112103207. The next prime is 31400112103253. The reversal of 31400112103240 is 4230121100413.

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, 13283167 + ... + 15467473.

It is an arithmetic number, because the mean of its divisors is an integer number (1139619012840).

Almost surely, 2^{31400112103240} is an apocalyptic number.

It is an amenable number.

31400112103240 is an abundant number, since it is smaller than the sum of its proper divisors (41535504718520).

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

31400112103240 is a wasteful number, since it uses less digits than its factorization.

31400112103240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195942 (or 2195938 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31400112103240 its reverse (4230121100413), we get a palindrome (35630233203653).

The spelling of 31400112103240 in words is "thirty-one trillion, four hundred billion, one hundred twelve million, one hundred three thousand, two hundred forty".