312131324001302 has 16 divisors (see below), whose sum is σ = 510594570911040. Its totient is φ = 142237059037632.

The previous prime is 312131324001283. The next prime is 312131324001313. The reversal of 312131324001302 is 203100423131213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75981332903 + ... + 75981337010.

It is an arithmetic number, because the mean of its divisors is an integer number (31912160681940).

Almost surely, 2^{312131324001302} is an apocalyptic number.

312131324001302 is a deficient number, since it is larger than the sum of its proper divisors (198463246909738).

312131324001302 is a wasteful number, since it uses less digits than its factorization.

312131324001302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151962670007.

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

Adding to 312131324001302 its reverse (203100423131213), we get a palindrome (515231747132515).

The spelling of 312131324001302 in words is "three hundred twelve trillion, one hundred thirty-one billion, three hundred twenty-four million, one thousand, three hundred two".