312023421003131 has 4 divisors (see below), whose sum is σ = 312023457212592. Its totient is φ = 312023384793672.

The previous prime is 312023421003067. The next prime is 312023421003139. The reversal of 312023421003131 is 131300124320213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 312023421003131 - 2⁶ = 312023421003067 is a prime.

It is a super-2 number, since 2×312023421003131² (a number of 30 digits) contains 22 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 312023421003131.

It is not an unprimeable number, because it can be changed into a prime (312023421003139) 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, 3097946 + ... + 25172288.

It is an arithmetic number, because the mean of its divisors is an integer number (78005864303148).

Almost surely, 2^{312023421003131} is an apocalyptic number.

312023421003131 is a deficient number, since it is larger than the sum of its proper divisors (36209461).

312023421003131 is a wasteful number, since it uses less digits than its factorization.

312023421003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36209460.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 312023421003131 its reverse (131300124320213), we get a palindrome (443323545323344).

The spelling of 312023421003131 in words is "three hundred twelve trillion, twenty-three billion, four hundred twenty-one million, three thousand, one hundred thirty-one".