312342302400402 has 16 divisors (see below), whose sum is σ = 625131127051200. Its totient is φ = 104039680425072.

The previous prime is 312342302400371. The next prime is 312342302400449. The reversal of 312342302400402 is 204004203243213.

It is a super-2 number, since 2×312342302400402² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312342302400402.

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, 18605084673 + ... + 18605101460.

It is an arithmetic number, because the mean of its divisors is an integer number (39070695440700).

Almost surely, 2^{312342302400402} is an apocalyptic number.

312342302400402 is an abundant number, since it is smaller than the sum of its proper divisors (312788824650798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312342302400402 is a wasteful number, since it uses less digits than its factorization.

312342302400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37210187537.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 312342302400402 its reverse (204004203243213), we get a palindrome (516346505643615).

The spelling of 312342302400402 in words is "three hundred twelve trillion, three hundred forty-two billion, three hundred two million, four hundred thousand, four hundred two".