103131231033 has 4 divisors (see below), whose sum is σ = 137508308048. Its totient is φ = 68754154020.

The previous prime is 103131231029. The next prime is 103131231083. The reversal of 103131231033 is 330132131301.

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 103131231033 - 2² = 103131231029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103131231083) 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, 17188538503 + ... + 17188538508.

It is an arithmetic number, because the mean of its divisors is an integer number (34377077012).

Almost surely, 2^103131231033 is an apocalyptic number.

It is an amenable number.

103131231033 is a deficient number, since it is larger than the sum of its proper divisors (34377077015).

103131231033 is an equidigital number, since it uses as much as digits as its factorization.

103131231033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34377077014.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 103131231033 its reverse (330132131301), we get a palindrome (433263362334).

The spelling of 103131231033 in words is "one hundred three billion, one hundred thirty-one million, two hundred thirty-one thousand, thirty-three".