31314506 has 12 divisors (see below), whose sum is σ = 48279798. Its totient is φ = 15232752.

The previous prime is 31314473. The next prime is 31314539. The reversal of 31314506 is 60541313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31314473) and next prime (31314539).

It can be written as a sum of positive squares in 3 ways, for example, as 31259281 + 55225 = 5591^2 + 235^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2981 + ... + 8456.

Almost surely, 2^31314506 is an apocalyptic number.

31314506 is a deficient number, since it is larger than the sum of its proper divisors (16965292).

31314506 is a wasteful number, since it uses less digits than its factorization.

31314506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11513 (or 11476 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 31314506 is about 5595.9365614703. The cubic root of 31314506 is about 315.1968401021.

Adding to 31314506 its reverse (60541313), we get a palindrome (91855819).

The spelling of 31314506 in words is "thirty-one million, three hundred fourteen thousand, five hundred six".