2131102373 has 2 divisors, whose sum is σ = 2131102374. Its totient is φ = 2131102372.

The previous prime is 2131102313. The next prime is 2131102397. The reversal of 2131102373 is 3732011312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1720756324 + 410346049 = 41482^2 + 20257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131102373 is a prime.

It is a super-2 number, since 2×2131102373² = 9083194648412462258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131102313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065551186 + 1065551187.

It is an arithmetic number, because the mean of its divisors is an integer number (1065551187).

Almost surely, 2^2131102373 is an apocalyptic number.

It is an amenable number.

2131102373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131102373 is an equidigital number, since it uses as much as digits as its factorization.

2131102373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 2131102373 is about 46163.8643638073. The cubic root of 2131102373 is about 1286.8702795153.

Adding to 2131102373 its reverse (3732011312), we get a palindrome (5863113685).

The spelling of 2131102373 in words is "two billion, one hundred thirty-one million, one hundred two thousand, three hundred seventy-three".