31241454379 has 2 divisors, whose sum is σ = 31241454380. Its totient is φ = 31241454378.

The previous prime is 31241454317. The next prime is 31241454383. The reversal of 31241454379 is 97345414213.

It is a strong prime.

It is an emirp because it is prime and its reverse (97345414213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31241454379 is a prime.

It is not a weakly prime, because it can be changed into another prime (31241454389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620727189 + 15620727190.

It is an arithmetic number, because the mean of its divisors is an integer number (15620727190).

Almost surely, 2^31241454379 is an apocalyptic number.

31241454379 is a deficient number, since it is larger than the sum of its proper divisors (1).

31241454379 is an equidigital number, since it uses as much as digits as its factorization.

31241454379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The spelling of 31241454379 in words is "thirty-one billion, two hundred forty-one million, four hundred fifty-four thousand, three hundred seventy-nine".