307312113819 has 16 divisors (see below), whose sum is σ = 431487302400. Its totient is φ = 194169276576.

The previous prime is 307312113817. The next prime is 307312113827. The reversal of 307312113819 is 918311213703.

It is not a de Polignac number, because 307312113819 - 2¹ = 307312113817 is a prime.

It is a super-2 number, since 2×307312113819² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (307312113817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20422749 + ... + 20437790.

It is an arithmetic number, because the mean of its divisors is an integer number (26967956400).

Almost surely, 2^307312113819 is an apocalyptic number.

307312113819 is a deficient number, since it is larger than the sum of its proper divisors (124175188581).

307312113819 is a wasteful number, since it uses less digits than its factorization.

307312113819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40860674.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 307312113819 in words is "three hundred seven billion, three hundred twelve million, one hundred thirteen thousand, eight hundred nineteen".