312125510343 has 4 divisors (see below), whose sum is σ = 416167347128. Its totient is φ = 208083673560.

The previous prime is 312125510339. The next prime is 312125510351. The reversal of 312125510343 is 343015521213.

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

It is not a de Polignac number, because 312125510343 - 2² = 312125510339 is a prime.

It is a super-4 number, since 4×312125510343⁴ (a number of 47 digits) contains 4444 as substring.

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 312125510343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312125510393) 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, 52020918388 + ... + 52020918393.

It is an arithmetic number, because the mean of its divisors is an integer number (104041836782).

Almost surely, 2^312125510343 is an apocalyptic number.

312125510343 is a deficient number, since it is larger than the sum of its proper divisors (104041836785).

312125510343 is a wasteful number, since it uses less digits than its factorization.

312125510343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104041836784.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 312125510343 in words is "three hundred twelve billion, one hundred twenty-five million, five hundred ten thousand, three hundred forty-three".