31406852 has 6 divisors (see below), whose sum is σ = 54961998. Its totient is φ = 15703424.

The previous prime is 31406849. The next prime is 31406873. The reversal of 31406852 is 25860413.

It can be written as a sum of positive squares in only one way, i.e., 18113536 + 13293316 = 4256^2 + 3646^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3925853 + ... + 3925860.

It is an arithmetic number, because the mean of its divisors is an integer number (9160333).

Almost surely, 2^31406852 is an apocalyptic number.

It is an amenable number.

31406852 is a deficient number, since it is larger than the sum of its proper divisors (23555146).

31406852 is a wasteful number, since it uses less digits than its factorization.

31406852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851717 (or 7851715 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 31406852 is about 5604.1816530159. The cubic root of 31406852 is about 315.5063729214.

The spelling of 31406852 in words is "thirty-one million, four hundred six thousand, eight hundred fifty-two".