31409468 has 12 divisors (see below), whose sum is σ = 55012440. Its totient is φ = 15691632.

The previous prime is 31409461. The next prime is 31409503. The reversal of 31409468 is 86490413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31409461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3830 + ... + 8802.

It is an arithmetic number, because the mean of its divisors is an integer number (4584370).

Almost surely, 2^31409468 is an apocalyptic number.

It is an amenable number.

31409468 is a deficient number, since it is larger than the sum of its proper divisors (23602972).

31409468 is a wasteful number, since it uses less digits than its factorization.

31409468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556 (or 6554 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 31409468 is about 5604.4150453013. The cubic root of 31409468 is about 315.5151325996.

The spelling of 31409468 in words is "thirty-one million, four hundred nine thousand, four hundred sixty-eight".