31426261261037 has 2 divisors, whose sum is σ = 31426261261038. Its totient is φ = 31426261261036.

The previous prime is 31426261261033. The next prime is 31426261261097. The reversal of 31426261261037 is 73016216262413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16934755814596 + 14491505446441 = 4115186^2 + 3806771^2 .

It is a cyclic number.

It is not a de Polignac number, because 31426261261037 - 2² = 31426261261033 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31426261261033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15713130630518 + 15713130630519.

It is an arithmetic number, because the mean of its divisors is an integer number (15713130630519).

Almost surely, 2^{31426261261037} is an apocalyptic number.

It is an amenable number.

31426261261037 is a deficient number, since it is larger than the sum of its proper divisors (1).

31426261261037 is an equidigital number, since it uses as much as digits as its factorization.

31426261261037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 31426261261037 in words is "thirty-one trillion, four hundred twenty-six billion, two hundred sixty-one million, two hundred sixty-one thousand, thirty-seven".