312103320412302 has 24 divisors (see below), whose sum is σ = 677103215748960. Its totient is φ = 103899154775040.

The previous prime is 312103320412283. The next prime is 312103320412337. The reversal of 312103320412302 is 203214023301213.

312103320412302 is a `hidden beast` number, since 3 + 1 + 2 + 10 + 332 + 0 + 4 + 12 + 302 = 666.

It is a super-2 number, since 2×312103320412302² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11273765974 + ... + 11273793657.

It is an arithmetic number, because the mean of its divisors is an integer number (28212633989540).

Almost surely, 2^{312103320412302} is an apocalyptic number.

312103320412302 is an abundant number, since it is smaller than the sum of its proper divisors (364999895336658).

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

312103320412302 is a wasteful number, since it uses less digits than its factorization.

312103320412302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22547560408 (or 22547560405 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 312103320412302 its reverse (203214023301213), we get a palindrome (515317343713515).

The spelling of 312103320412302 in words is "three hundred twelve trillion, one hundred three billion, three hundred twenty million, four hundred twelve thousand, three hundred two".