31514033249 has 2 divisors, whose sum is σ = 31514033250. Its totient is φ = 31514033248.

The previous prime is 31514033219. The next prime is 31514033267. The reversal of 31514033249 is 94233041513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28234753024 + 3279280225 = 168032^2 + 57265^2 .

It is a cyclic number.

It is not a de Polignac number, because 31514033249 - 2²⁰ = 31512984673 is a prime.

It is not a weakly prime, because it can be changed into another prime (31514033219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15757016624 + 15757016625.

It is an arithmetic number, because the mean of its divisors is an integer number (15757016625).

Almost surely, 2^31514033249 is an apocalyptic number.

It is an amenable number.

31514033249 is a deficient number, since it is larger than the sum of its proper divisors (1).

31514033249 is an equidigital number, since it uses as much as digits as its factorization.

31514033249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 31514033249 in words is "thirty-one billion, five hundred fourteen million, thirty-three thousand, two hundred forty-nine".