103131321002 has 16 divisors (see below), whose sum is σ = 158336972640. Its totient is φ = 50352972432.

The previous prime is 103131320989. The next prime is 103131321019. The reversal of 103131321002 is 200123131301.

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, 166328 + ... + 483660.

It is an arithmetic number, because the mean of its divisors is an integer number (9896060790).

Almost surely, 2^103131321002 is an apocalyptic number.

103131321002 is a deficient number, since it is larger than the sum of its proper divisors (55205651638).

103131321002 is a wasteful number, since it uses less digits than its factorization.

103131321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321157.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103131321002 its reverse (200123131301), we get a palindrome (303254452303).

The spelling of 103131321002 in words is "one hundred three billion, one hundred thirty-one million, three hundred twenty-one thousand, two".