31223210213002 has 16 divisors (see below), whose sum is σ = 48667072688640. Its totient is φ = 15005680733232.

The previous prime is 31223210212933. The next prime is 31223210213009. The reversal of 31223210213002 is 20031201232213.

It is not an unprimeable number, because it can be changed into a prime (31223210213009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207007718 + ... + 1207033585.

It is an arithmetic number, because the mean of its divisors is an integer number (3041692043040).

Almost surely, 2^{31223210213002} is an apocalyptic number.

31223210213002 is a deficient number, since it is larger than the sum of its proper divisors (17443862475638).

31223210213002 is a wasteful number, since it uses less digits than its factorization.

31223210213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414041557.

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

Adding to 31223210213002 its reverse (20031201232213), we get a palindrome (51254411445215).

The spelling of 31223210213002 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred ten million, two hundred thirteen thousand, two".