103131021012322 has 4 divisors (see below), whose sum is σ = 154696531518486. Its totient is φ = 51565510506160.

The previous prime is 103131021012319. The next prime is 103131021012347. The reversal of 103131021012322 is 223210120131301.

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., 75549838347481 + 27581182664841 = 8691941^2 + 5251779^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103131021012293 and 103131021012302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25782755253079 + ... + 25782755253082.

Almost surely, 2^{103131021012322} is an apocalyptic number.

103131021012322 is a deficient number, since it is larger than the sum of its proper divisors (51565510506164).

103131021012322 is an equidigital number, since it uses as much as digits as its factorization.

103131021012322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51565510506163.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 103131021012322 its reverse (223210120131301), we get a palindrome (326341141143623).

The spelling of 103131021012322 in words is "one hundred three trillion, one hundred thirty-one billion, twenty-one million, twelve thousand, three hundred twenty-two".