32131010021309 has 2 divisors, whose sum is σ = 32131010021310. Its totient is φ = 32131010021308.

The previous prime is 32131010021273. The next prime is 32131010021359. The reversal of 32131010021309 is 90312001013123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16276302672100 + 15854707349209 = 4034390^2 + 3981797^2 .

It is a cyclic number.

It is not a de Polignac number, because 32131010021309 - 2²⁴ = 32130993244093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32131010021359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065505010654 + 16065505010655.

It is an arithmetic number, because the mean of its divisors is an integer number (16065505010655).

Almost surely, 2^{32131010021309} is an apocalyptic number.

It is an amenable number.

32131010021309 is a deficient number, since it is larger than the sum of its proper divisors (1).

32131010021309 is an equidigital number, since it uses as much as digits as its factorization.

32131010021309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 32131010021309 in words is "thirty-two trillion, one hundred thirty-one billion, ten million, twenty-one thousand, three hundred nine".