31293350257129 has 2 divisors, whose sum is σ = 31293350257130. Its totient is φ = 31293350257128.

The previous prime is 31293350257051. The next prime is 31293350257163. The reversal of 31293350257129 is 92175205339213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30325418949904 + 967931307225 = 5506852^2 + 983835^2 .

It is a cyclic number.

It is not a de Polignac number, because 31293350257129 - 2¹⁷ = 31293350126057 is a prime.

It is not a weakly prime, because it can be changed into another prime (31293350257529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15646675128564 + 15646675128565.

It is an arithmetic number, because the mean of its divisors is an integer number (15646675128565).

Almost surely, 2^{31293350257129} is an apocalyptic number.

It is an amenable number.

31293350257129 is a deficient number, since it is larger than the sum of its proper divisors (1).

31293350257129 is an equidigital number, since it uses as much as digits as its factorization.

31293350257129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 31293350257129 in words is "thirty-one trillion, two hundred ninety-three billion, three hundred fifty million, two hundred fifty-seven thousand, one hundred twenty-nine".