31231202312002 has 64 divisors (see below), whose sum is σ = 58541185334016. Its totient is φ = 12139927925760.

The previous prime is 31231202311997. The next prime is 31231202312021. The reversal of 31231202312002 is 20021320213213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735921528 + ... + 735963964.

It is an arithmetic number, because the mean of its divisors is an integer number (914706020844).

Almost surely, 2^{31231202312002} is an apocalyptic number.

31231202312002 is a deficient number, since it is larger than the sum of its proper divisors (27309983022014).

31231202312002 is a wasteful number, since it uses less digits than its factorization.

31231202312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53371.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31231202312002 its reverse (20021320213213), we get a palindrome (51252522525215).

The spelling of 31231202312002 in words is "thirty-one trillion, two hundred thirty-one billion, two hundred two million, three hundred twelve thousand, two".