306245431344431 has 16 divisors (see below), whose sum is σ = 317262563553600. Its totient is φ = 295259063543808.

The previous prime is 306245431344427. The next prime is 306245431344439. The reversal of 306245431344431 is 134443134542603.

It is not a de Polignac number, because 306245431344431 - 2² = 306245431344427 is a prime.

It is a super-2 number, since 2×306245431344431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306245431344439) 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, 54237830 + ... + 59617388.

It is an arithmetic number, because the mean of its divisors is an integer number (19828910222100).

Almost surely, 2^{306245431344431} is an apocalyptic number.

306245431344431 is a deficient number, since it is larger than the sum of its proper divisors (11017132209169).

306245431344431 is a wasteful number, since it uses less digits than its factorization.

306245431344431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382418.

The product of its (nonzero) digits is 4976640, while the sum is 47.

The spelling of 306245431344431 in words is "three hundred six trillion, two hundred forty-five billion, four hundred thirty-one million, three hundred forty-four thousand, four hundred thirty-one".