31223032010 has 64 divisors (see below), whose sum is σ = 59078426112. Its totient is φ = 11866922496.

The previous prime is 31223032003. The next prime is 31223032021. The reversal of 31223032010 is 1023032213.

It is a self number, because there is not a number n which added to its sum of digits gives 31223032010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9093254 + ... + 9096686.

It is an arithmetic number, because the mean of its divisors is an integer number (923100408).

Almost surely, 2^31223032010 is an apocalyptic number.

31223032010 is a deficient number, since it is larger than the sum of its proper divisors (27855394102).

31223032010 is a wasteful number, since it uses less digits than its factorization.

31223032010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31223032010 its reverse (1023032213), we get a palindrome (32246064223).

The spelling of 31223032010 in words is "thirty-one billion, two hundred twenty-three million, thirty-two thousand, ten".