31242010 has 16 divisors (see below), whose sum is σ = 56487456. Its totient is φ = 12440848.

The previous prime is 31242007. The next prime is 31242049. The reversal of 31242010 is 1024213.

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, 4612 + ... + 9151.

It is an arithmetic number, because the mean of its divisors is an integer number (3530466).

Almost surely, 2^31242010 is an apocalyptic number.

31242010 is a deficient number, since it is larger than the sum of its proper divisors (25245446).

31242010 is a wasteful number, since it uses less digits than its factorization.

31242010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13997.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 31242010 is about 5589.4552507378. The cubic root of 31242010 is about 314.9534154677.

Adding to 31242010 its reverse (1024213), we get a palindrome (32266223).

The spelling of 31242010 in words is "thirty-one million, two hundred forty-two thousand, ten".