312130131 has 8 divisors (see below), whose sum is σ = 416848320. Its totient is φ = 207749352.

The previous prime is 312130121. The next prime is 312130141. The reversal of 312130131 is 131031213.

It is an interprime number because it is at equal distance from previous prime (312130121) and next prime (312130141).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312130131 - 2⁷ = 312130003 is a prime.

It is a super-2 number, since 2×312130131² = 194850437356154322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312130131.

It is not an unprimeable number, because it can be changed into a prime (312130121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82185 + ... + 85898.

It is an arithmetic number, because the mean of its divisors is an integer number (52106040).

Almost surely, 2^312130131 is an apocalyptic number.

312130131 is a deficient number, since it is larger than the sum of its proper divisors (104718189).

312130131 is a wasteful number, since it uses less digits than its factorization.

312130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168705.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 312130131 is about 17667.2049572081. The cubic root of 312130131 is about 678.3365707389.

Adding to 312130131 its reverse (131031213), we get a palindrome (443161344).

The spelling of 312130131 in words is "three hundred twelve million, one hundred thirty thousand, one hundred thirty-one".