31234122449 has 2 divisors, whose sum is σ = 31234122450. Its totient is φ = 31234122448.

The previous prime is 31234122371. The next prime is 31234122473. The reversal of 31234122449 is 94422143213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22580471824 + 8653650625 = 150268^2 + 93025^2 .

It is a cyclic number.

It is not a de Polignac number, because 31234122449 - 2²⁴ = 31217345233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (31234122499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15617061224 + 15617061225.

It is an arithmetic number, because the mean of its divisors is an integer number (15617061225).

Almost surely, 2^31234122449 is an apocalyptic number.

It is an amenable number.

31234122449 is a deficient number, since it is larger than the sum of its proper divisors (1).

31234122449 is an equidigital number, since it uses as much as digits as its factorization.

31234122449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The spelling of 31234122449 in words is "thirty-one billion, two hundred thirty-four million, one hundred twenty-two thousand, four hundred forty-nine".