312053540402 has 8 divisors (see below), whose sum is σ = 468091673712. Its totient is φ = 156022982500.

The previous prime is 312053540399. The next prime is 312053540413. The reversal of 312053540402 is 204045350213.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789724 + ... + 1956327.

It is an arithmetic number, because the mean of its divisors is an integer number (58511459214).

Almost surely, 2^312053540402 is an apocalyptic number.

312053540402 is a deficient number, since it is larger than the sum of its proper divisors (156038133310).

312053540402 is a wasteful number, since it uses less digits than its factorization.

312053540402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787704.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 312053540402 its reverse (204045350213), we get a palindrome (516098890615).

The spelling of 312053540402 in words is "three hundred twelve billion, fifty-three million, five hundred forty thousand, four hundred two".