312353240402 has 16 divisors (see below), whose sum is σ = 535477759872. Its totient is φ = 133861908960.

The previous prime is 312353240383. The next prime is 312353240443. The reversal of 312353240402 is 204042353213.

It is a happy 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, 234758 + ... + 824510.

It is an arithmetic number, because the mean of its divisors is an integer number (33467359992).

Almost surely, 2^312353240402 is an apocalyptic number.

312353240402 is a deficient number, since it is larger than the sum of its proper divisors (223124519470).

312353240402 is a wasteful number, since it uses less digits than its factorization.

312353240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627593.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 312353240402 its reverse (204042353213), we get a palindrome (516395593615).

The spelling of 312353240402 in words is "three hundred twelve billion, three hundred fifty-three million, two hundred forty thousand, four hundred two".