2031142133309 has 2 divisors, whose sum is σ = 2031142133310. Its totient is φ = 2031142133308.

The previous prime is 2031142133297. The next prime is 2031142133359. The reversal of 2031142133309 is 9033312411302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2012363542084 + 18778591225 = 1418578^2 + 137035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031142133309 - 2³⁶ = 1962422656573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031142133359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015571066654 + 1015571066655.

It is an arithmetic number, because the mean of its divisors is an integer number (1015571066655).

Almost surely, 2^{2031142133309} is an apocalyptic number.

It is an amenable number.

2031142133309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031142133309 is an equidigital number, since it uses as much as digits as its factorization.

2031142133309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 2031142133309 in words is "two trillion, thirty-one billion, one hundred forty-two million, one hundred thirty-three thousand, three hundred nine".