3131102321002 has 4 divisors (see below), whose sum is σ = 4696653481506. Its totient is φ = 1565551160500.

The previous prime is 3131102320861. The next prime is 3131102321051. The reversal of 3131102321002 is 2001232011313.

3131102321002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3085113089601 + 45989231401 = 1756449^2 + 214451^2 .

It is a super-2 number, since 2×3131102321002² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782775580249 + ... + 782775580252.

Almost surely, 2^{3131102321002} is an apocalyptic number.

3131102321002 is a deficient number, since it is larger than the sum of its proper divisors (1565551160504).

3131102321002 is a wasteful number, since it uses less digits than its factorization.

3131102321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565551160503.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3131102321002 its reverse (2001232011313), we get a palindrome (5132334332315).

The spelling of 3131102321002 in words is "three trillion, one hundred thirty-one billion, one hundred two million, three hundred twenty-one thousand, two".