31040050 has 24 divisors (see below), whose sum is σ = 57893616. Its totient is φ = 12381840.

The previous prime is 31040047. The next prime is 31040071. The reversal of 31040050 is 5004013.

It is a self number, because there is not a number n which added to its sum of digits gives 31040050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25557 + ... + 26743.

It is an arithmetic number, because the mean of its divisors is an integer number (2412234).

Almost surely, 2^31040050 is an apocalyptic number.

31040050 is a deficient number, since it is larger than the sum of its proper divisors (26853566).

31040050 is a wasteful number, since it uses less digits than its factorization.

31040050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 31040050 is about 5571.3597981103. The cubic root of 31040050 is about 314.2732890601.

Adding to 31040050 its reverse (5004013), we get a palindrome (36044063).

The spelling of 31040050 in words is "thirty-one million, forty thousand, fifty".