312402332400403 has 32 divisors (see below), whose sum is σ = 379677265643520. Its totient is φ = 250926046110720.

The previous prime is 312402332400343. The next prime is 312402332400409. The reversal of 312402332400403 is 304004233204213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312402332400403 - 2¹³ = 312402332392211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312402332400409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497968438 + ... + 498595396.

It is an arithmetic number, because the mean of its divisors is an integer number (11864914551360).

Almost surely, 2^{312402332400403} is an apocalyptic number.

312402332400403 is a deficient number, since it is larger than the sum of its proper divisors (67274933243117).

312402332400403 is a wasteful number, since it uses less digits than its factorization.

312402332400403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645187.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 312402332400403 its reverse (304004233204213), we get a palindrome (616406565604616).

The spelling of 312402332400403 in words is "three hundred twelve trillion, four hundred two billion, three hundred thirty-two million, four hundred thousand, four hundred three".