31112430379 has 2 divisors, whose sum is σ = 31112430380. Its totient is φ = 31112430378.

The previous prime is 31112430367. The next prime is 31112430413. The reversal of 31112430379 is 97303421113.

It is an a-pointer prime, because the next prime (31112430413) can be obtained adding 31112430379 to its sum of digits (34).

It is a weak prime.

It is an emirp because it is prime and its reverse (97303421113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31112430379 - 2⁵ = 31112430347 is a prime.

It is not a weakly prime, because it can be changed into another prime (31112431379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556215189 + 15556215190.

It is an arithmetic number, because the mean of its divisors is an integer number (15556215190).

Almost surely, 2^31112430379 is an apocalyptic number.

31112430379 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112430379 is an equidigital number, since it uses as much as digits as its factorization.

31112430379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 31112430379 in words is "thirty-one billion, one hundred twelve million, four hundred thirty thousand, three hundred seventy-nine".