312040331345402 has 8 divisors (see below), whose sum is σ = 510611451292512. Its totient is φ = 141836514247900.

The previous prime is 312040331345381. The next prime is 312040331345467. The reversal of 312040331345402 is 204543133040213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×312040331345402² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7091825712374 + ... + 7091825712417.

It is an arithmetic number, because the mean of its divisors is an integer number (63826431411564).

Almost surely, 2^{312040331345402} is an apocalyptic number.

312040331345402 is a deficient number, since it is larger than the sum of its proper divisors (198571119947110).

312040331345402 is a wasteful number, since it uses less digits than its factorization.

312040331345402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14183651424804.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 312040331345402 its reverse (204543133040213), we get a palindrome (516583464385615).

The spelling of 312040331345402 in words is "three hundred twelve trillion, forty billion, three hundred thirty-one million, three hundred forty-five thousand, four hundred two".