2313211231002 has 32 divisors (see below), whose sum is σ = 5416299471744. Its totient is φ = 644797555200.

The previous prime is 2313211230991. The next prime is 2313211231039. The reversal of 2313211231002 is 2001321123132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2313211231002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671662399 + ... + 671665842.

It is an arithmetic number, because the mean of its divisors is an integer number (169259358492).

Almost surely, 2^{2313211231002} is an apocalyptic number.

2313211231002 is an abundant number, since it is smaller than the sum of its proper divisors (3103088240742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2313211231002 is a wasteful number, since it uses less digits than its factorization.

2313211231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343328294.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2313211231002 its reverse (2001321123132), we get a palindrome (4314532354134).

The spelling of 2313211231002 in words is "two trillion, three hundred thirteen billion, two hundred eleven million, two hundred thirty-one thousand, two".