103103320031 has 4 divisors (see below), whose sum is σ = 104515694352. Its totient is φ = 101690945712.

The previous prime is 103103319901. The next prime is 103103320069. The reversal of 103103320031 is 130023301301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103103320031 is a prime.

It is a super-2 number, since 2×103103320031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103103319991 and 103103320009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103103320091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706187051 + ... + 706187196.

It is an arithmetic number, because the mean of its divisors is an integer number (26128923588).

Almost surely, 2^103103320031 is an apocalyptic number.

103103320031 is a deficient number, since it is larger than the sum of its proper divisors (1412374321).

103103320031 is an equidigital number, since it uses as much as digits as its factorization.

103103320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412374320.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 103103320031 its reverse (130023301301), we get a palindrome (233126621332).

The spelling of 103103320031 in words is "one hundred three billion, one hundred three million, three hundred twenty thousand, thirty-one".