31406414 has 16 divisors (see below), whose sum is σ = 52106208. Its totient is φ = 14103072.

The previous prime is 31406393. The next prime is 31406423. The reversal of 31406414 is 41460413.

It is a self number, because there is not a number n which added to its sum of digits gives 31406414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15362 + ... + 17285.

It is an arithmetic number, because the mean of its divisors is an integer number (3256638).

Almost surely, 2^31406414 is an apocalyptic number.

31406414 is a deficient number, since it is larger than the sum of its proper divisors (20699794).

31406414 is a wasteful number, since it uses less digits than its factorization.

31406414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32699.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 31406414 is about 5604.1425749172. The cubic root of 31406414 is about 315.5049062304.

Adding to 31406414 its reverse (41460413), we get a palindrome (72866827).

The spelling of 31406414 in words is "thirty-one million, four hundred six thousand, four hundred fourteen".