431314779031 has 2 divisors, whose sum is σ = 431314779032. Its totient is φ = 431314779030.

The previous prime is 431314779029. The next prime is 431314779061. The reversal of 431314779031 is 130977413134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431314779031 - 2¹ = 431314779029 is a prime.

It is a super-2 number, since 2×431314779031² (a number of 24 digits) contains 22 as substring.

Together with 431314779029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431314779061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215657389515 + 215657389516.

It is an arithmetic number, because the mean of its divisors is an integer number (215657389516).

Almost surely, 2^431314779031 is an apocalyptic number.

431314779031 is a deficient number, since it is larger than the sum of its proper divisors (1).

431314779031 is an equidigital number, since it uses as much as digits as its factorization.

431314779031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 431314779031 in words is "four hundred thirty-one billion, three hundred fourteen million, seven hundred seventy-nine thousand, thirty-one".