3123103131002 has 16 divisors (see below), whose sum is σ = 4717870164000. Its totient is φ = 1550487631440.

The previous prime is 3123103130971. The next prime is 3123103131013. The reversal of 3123103131002 is 2001313013213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178324 + ... + 2763087.

It is an arithmetic number, because the mean of its divisors is an integer number (294866885250).

Almost surely, 2^{3123103131002} is an apocalyptic number.

3123103131002 is a deficient number, since it is larger than the sum of its proper divisors (1594767032998).

3123103131002 is a wasteful number, since it uses less digits than its factorization.

3123103131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944221.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3123103131002 its reverse (2001313013213), we get a palindrome (5124416144215).

The spelling of 3123103131002 in words is "three trillion, one hundred twenty-three billion, one hundred three million, one hundred thirty-one thousand, two".