2131022103031 has 2 divisors, whose sum is σ = 2131022103032. Its totient is φ = 2131022103030.

The previous prime is 2131022103011. The next prime is 2131022103053. The reversal of 2131022103031 is 1303012201312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131022103031 - 2⁷ = 2131022102903 is a prime.

It is a super-2 number, since 2×2131022103031² (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 (2131022103011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065511051515 + 1065511051516.

It is an arithmetic number, because the mean of its divisors is an integer number (1065511051516).

Almost surely, 2^{2131022103031} is an apocalyptic number.

2131022103031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131022103031 is an equidigital number, since it uses as much as digits as its factorization.

2131022103031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2131022103031 its reverse (1303012201312), we get a palindrome (3434034304343).

The spelling of 2131022103031 in words is "two trillion, one hundred thirty-one billion, twenty-two million, one hundred three thousand, thirty-one".