312013336 has 8 divisors (see below), whose sum is σ = 585025020. Its totient is φ = 156006664.

The previous prime is 312013313. The next prime is 312013337. The reversal of 312013336 is 633310213.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312013337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19500826 + ... + 19500841.

Almost surely, 2^312013336 is an apocalyptic number.

It is an amenable number.

312013336 is a deficient number, since it is larger than the sum of its proper divisors (273011684).

312013336 is a wasteful number, since it uses less digits than its factorization.

312013336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39001673 (or 39001669 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 312013336 is about 17663.8992297850. The cubic root of 312013336 is about 678.2519519685.

Adding to 312013336 its reverse (633310213), we get a palindrome (945323549).

The spelling of 312013336 in words is "three hundred twelve million, thirteen thousand, three hundred thirty-six".