31406850120 has 64 divisors (see below), whose sum is σ = 95191931520. Its totient is φ = 8288815104.

The previous prime is 31406850113. The next prime is 31406850197. The reversal of 31406850120 is 2105860413.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1337452 + ... + 1360731.

It is an arithmetic number, because the mean of its divisors is an integer number (1487373930).

Almost surely, 2^31406850120 is an apocalyptic number.

31406850120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31406850120 is an abundant number, since it is smaller than the sum of its proper divisors (63785081400).

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

31406850120 is a wasteful number, since it uses less digits than its factorization.

31406850120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698294 (or 2698290 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 31406850120 in words is "thirty-one billion, four hundred six million, eight hundred fifty thousand, one hundred twenty".