31020014 has 16 divisors (see below), whose sum is σ = 47201616. Its totient is φ = 15288000.

The previous prime is 31020007. The next prime is 31020079. The reversal of 31020014 is 41002013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31019977 and 31020004.

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, 51314 + ... + 51914.

It is an arithmetic number, because the mean of its divisors is an integer number (2950101).

Almost surely, 2^31020014 is an apocalyptic number.

31020014 is a deficient number, since it is larger than the sum of its proper divisors (16181602).

31020014 is a wasteful number, since it uses less digits than its factorization.

31020014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 31020014 is about 5569.5613830893. The cubic root of 31020014 is about 314.2056545585.

Adding to 31020014 its reverse (41002013), we get a palindrome (72022027).

The spelling of 31020014 in words is "thirty-one million, twenty thousand, fourteen".