312130232103 has 16 divisors (see below), whose sum is σ = 434666021760. Its totient is φ = 199031275296.

The previous prime is 312130232077. The next prime is 312130232119. The reversal of 312130232103 is 301232031213.

It is not a de Polignac number, because 312130232103 - 2¹⁸ = 312129969959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312130232103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312130232803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23823825 + ... + 23836922.

It is an arithmetic number, because the mean of its divisors is an integer number (27166626360).

Almost surely, 2^312130232103 is an apocalyptic number.

312130232103 is a deficient number, since it is larger than the sum of its proper divisors (122535789657).

312130232103 is a wasteful number, since it uses less digits than its factorization.

312130232103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47660846.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312130232103 its reverse (301232031213), we get a palindrome (613362263316).

The spelling of 312130232103 in words is "three hundred twelve billion, one hundred thirty million, two hundred thirty-two thousand, one hundred three".