312002232320131 has 4 divisors (see below), whose sum is σ = 313570082734000. Its totient is φ = 310434381906264.

The previous prime is 312002232320041. The next prime is 312002232320159. The reversal of 312002232320131 is 131023232200213.

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

It is a cyclic number.

It is not a de Polignac number, because 312002232320131 - 2¹⁵ = 312002232287363 is a prime.

It is a super-2 number, since 2×312002232320131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312002232320096 and 312002232320105.

It is not an unprimeable number, because it can be changed into a prime (312002232320161) 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, 783925206636 + ... + 783925207033.

It is an arithmetic number, because the mean of its divisors is an integer number (78392520683500).

Almost surely, 2^{312002232320131} is an apocalyptic number.

312002232320131 is a deficient number, since it is larger than the sum of its proper divisors (1567850413869).

312002232320131 is a wasteful number, since it uses less digits than its factorization.

312002232320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567850413868.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 312002232320131 its reverse (131023232200213), we get a palindrome (443025464520344).

The spelling of 312002232320131 in words is "three hundred twelve trillion, two billion, two hundred thirty-two million, three hundred twenty thousand, one hundred thirty-one".