312023322001131 has 32 divisors (see below), whose sum is σ = 449150896212480. Its totient is φ = 191535651419904.

The previous prime is 312023322001103. The next prime is 312023322001177. The reversal of 312023322001131 is 131100223320213.

It is not a de Polignac number, because 312023322001131 - 2²⁹ = 312022785130219 is a prime.

It is a super-2 number, since 2×312023322001131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312023322001931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77530215 + ... + 81455391.

It is an arithmetic number, because the mean of its divisors is an integer number (14035965506640).

Almost surely, 2^{312023322001131} is an apocalyptic number.

312023322001131 is a deficient number, since it is larger than the sum of its proper divisors (137127574211349).

312023322001131 is a wasteful number, since it uses less digits than its factorization.

312023322001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930275.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 312023322001131 its reverse (131100223320213), we get a palindrome (443123545321344).

The spelling of 312023322001131 in words is "three hundred twelve trillion, twenty-three billion, three hundred twenty-two million, one thousand, one hundred thirty-one".