312415535421 has 48 divisors (see below), whose sum is σ = 493479484992. Its totient is φ = 188886297600.

The previous prime is 312415535417. The next prime is 312415535459. The reversal of 312415535421 is 124535514213.

312415535421 is a `hidden beast` number, since 3 + 12 + 41 + 553 + 54 + 2 + 1 = 666.

312415535421 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 312415535421 - 2² = 312415535417 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312415534421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133452711 + ... + 133455051.

It is an arithmetic number, because the mean of its divisors is an integer number (10280822604).

Almost surely, 2^312415535421 is an apocalyptic number.

It is an amenable number.

312415535421 is a deficient number, since it is larger than the sum of its proper divisors (181063949571).

312415535421 is a wasteful number, since it uses less digits than its factorization.

312415535421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034 (or 5031 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 312415535421 in words is "three hundred twelve billion, four hundred fifteen million, five hundred thirty-five thousand, four hundred twenty-one".