103431013113 has 4 divisors (see below), whose sum is σ = 137908017488. Its totient is φ = 68954008740.

The previous prime is 103431013109. The next prime is 103431013123. The reversal of 103431013113 is 311310134301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103431013113 - 2² = 103431013109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103431013113.

It is not an unprimeable number, because it can be changed into a prime (103431013123) 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, 17238502183 + ... + 17238502188.

It is an arithmetic number, because the mean of its divisors is an integer number (34477004372).

Almost surely, 2^103431013113 is an apocalyptic number.

It is an amenable number.

103431013113 is a deficient number, since it is larger than the sum of its proper divisors (34477004375).

103431013113 is an equidigital number, since it uses as much as digits as its factorization.

103431013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34477004374.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 103431013113 its reverse (311310134301), we get a palindrome (414741147414).

The spelling of 103431013113 in words is "one hundred three billion, four hundred thirty-one million, thirteen thousand, one hundred thirteen".