31426261261033 has 2 divisors, whose sum is σ = 31426261261034. Its totient is φ = 31426261261032.

The previous prime is 31426261260959. The next prime is 31426261261037. The reversal of 31426261261033 is 33016216262413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21152934989824 + 10273326271209 = 4599232^2 + 3205203^2 .

It is a cyclic number.

It is not a de Polignac number, because 31426261261033 - 2⁹ = 31426261260521 is a prime.

It is not a weakly prime, because it can be changed into another prime (31426261261037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15713130630516 + 15713130630517.

It is an arithmetic number, because the mean of its divisors is an integer number (15713130630517).

Almost surely, 2^{31426261261033} is an apocalyptic number.

It is an amenable number.

31426261261033 is a deficient number, since it is larger than the sum of its proper divisors (1).

31426261261033 is an equidigital number, since it uses as much as digits as its factorization.

31426261261033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 31426261261033 in words is "thirty-one trillion, four hundred twenty-six billion, two hundred sixty-one million, two hundred sixty-one thousand, thirty-three".