31348874370 has 128 divisors (see below), whose sum is σ = 84555187200. Its totient is φ = 7372673280.

The previous prime is 31348874357. The next prime is 31348874377. The reversal of 31348874370 is 7347884313.

It is not an unprimeable number, because it can be changed into a prime (31348874377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2106897 + ... + 2121723.

It is an arithmetic number, because the mean of its divisors is an integer number (660587400).

Almost surely, 2^31348874370 is an apocalyptic number.

31348874370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31348874370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42277593600).

31348874370 is an abundant number, since it is smaller than the sum of its proper divisors (53206312830).

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

31348874370 is a wasteful number, since it uses less digits than its factorization.

31348874370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15040.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 31348874370 in words is "thirty-one billion, three hundred forty-eight million, eight hundred seventy-four thousand, three hundred seventy".