2031202301309 has 2 divisors, whose sum is σ = 2031202301310. Its totient is φ = 2031202301308.

The previous prime is 2031202301269. The next prime is 2031202301341. The reversal of 2031202301309 is 9031032021302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2006038824409 + 25163476900 = 1416347^2 + 158630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031202301309 - 2²⁰ = 2031201252733 is a prime.

It is a super-2 number, since 2×2031202301309² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031202301209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015601150654 + 1015601150655.

It is an arithmetic number, because the mean of its divisors is an integer number (1015601150655).

Almost surely, 2^{2031202301309} is an apocalyptic number.

It is an amenable number.

2031202301309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031202301309 is an equidigital number, since it uses as much as digits as its factorization.

2031202301309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 2031202301309 in words is "two trillion, thirty-one billion, two hundred two million, three hundred one thousand, three hundred nine".