307312479019 has 32 divisors (see below), whose sum is σ = 398224512000. Its totient is φ = 230300786304.

The previous prime is 307312479017. The next prime is 307312479083. The reversal of 307312479019 is 910974213703.

It is not a de Polignac number, because 307312479019 - 2¹ = 307312479017 is a prime.

It is a super-2 number, since 2×307312479019² (a number of 24 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 307312479019.

It is not an unprimeable number, because it can be changed into a prime (307312479017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9162522 + ... + 9196000.

It is an arithmetic number, because the mean of its divisors is an integer number (12444516000).

Almost surely, 2^307312479019 is an apocalyptic number.

307312479019 is a deficient number, since it is larger than the sum of its proper divisors (90912032981).

307312479019 is a wasteful number, since it uses less digits than its factorization.

307312479019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38827.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 307312479019 in words is "three hundred seven billion, three hundred twelve million, four hundred seventy-nine thousand, nineteen".