31230314342429 has 2 divisors, whose sum is σ = 31230314342430. Its totient is φ = 31230314342428.

The previous prime is 31230314342351. The next prime is 31230314342449. The reversal of 31230314342429 is 92424341303213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27887640765625 + 3342673576804 = 5280875^2 + 1828298^2 .

It is a cyclic number.

It is not a de Polignac number, because 31230314342429 - 2²⁸ = 31230045906973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31230314342449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15615157171214 + 15615157171215.

It is an arithmetic number, because the mean of its divisors is an integer number (15615157171215).

Almost surely, 2^{31230314342429} is an apocalyptic number.

It is an amenable number.

31230314342429 is a deficient number, since it is larger than the sum of its proper divisors (1).

31230314342429 is an equidigital number, since it uses as much as digits as its factorization.

31230314342429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 31230314342429 in words is "thirty-one trillion, two hundred thirty billion, three hundred fourteen million, three hundred forty-two thousand, four hundred twenty-nine".