307078946231 has 4 divisors (see below), whose sum is σ = 307406672832. Its totient is φ = 306751219632.

The previous prime is 307078946227. The next prime is 307078946233. The reversal of 307078946231 is 132649870703.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 307078946231 - 2² = 307078946227 is a prime.

It is a super-2 number, since 2×307078946231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 307078946231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307078946233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163861895 + ... + 163863768.

It is an arithmetic number, because the mean of its divisors is an integer number (76851668208).

Almost surely, 2^307078946231 is an apocalyptic number.

307078946231 is a deficient number, since it is larger than the sum of its proper divisors (327726601).

307078946231 is an equidigital number, since it uses as much as digits as its factorization.

307078946231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327726600.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 307078946231 in words is "three hundred seven billion, seventy-eight million, nine hundred forty-six thousand, two hundred thirty-one".