31418672 has 10 divisors (see below), whose sum is σ = 60873708. Its totient is φ = 15709328.

The previous prime is 31418671. The next prime is 31418677. The reversal of 31418672 is 27681413.

It is not an unprimeable number, because it can be changed into a prime (31418671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981818 + ... + 981849.

Almost surely, 2^31418672 is an apocalyptic number.

It is an amenable number.

31418672 is a deficient number, since it is larger than the sum of its proper divisors (29455036).

31418672 is a wasteful number, since it uses less digits than its factorization.

31418672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963675 (or 1963669 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 31418672 is about 5605.2361234831. The cubic root of 31418672 is about 315.5459483362.

The spelling of 31418672 in words is "thirty-one million, four hundred eighteen thousand, six hundred seventy-two".