312232001001 has 4 divisors (see below), whose sum is σ = 416309334672. Its totient is φ = 208154667332.

The previous prime is 312232000979. The next prime is 312232001017. The reversal of 312232001001 is 100100232213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312232001001 - 2²¹ = 312229903849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312232001201) 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, 52038666831 + ... + 52038666836.

It is an arithmetic number, because the mean of its divisors is an integer number (104077333668).

Almost surely, 2^312232001001 is an apocalyptic number.

It is an amenable number.

312232001001 is a deficient number, since it is larger than the sum of its proper divisors (104077333671).

312232001001 is a wasteful number, since it uses less digits than its factorization.

312232001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104077333670.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 312232001001 its reverse (100100232213), we get a palindrome (412332233214).

The spelling of 312232001001 in words is "three hundred twelve billion, two hundred thirty-two million, one thousand, one".