1931036113 has 2 divisors, whose sum is σ = 1931036114. Its totient is φ = 1931036112.

The previous prime is 1931036089. The next prime is 1931036117. The reversal of 1931036113 is 3116301391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1790305344 + 140730769 = 42312^2 + 11863^2 .

It is a cyclic number.

It is not a de Polignac number, because 1931036113 - 2¹³ = 1931027921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1931036117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965518056 + 965518057.

It is an arithmetic number, because the mean of its divisors is an integer number (965518057).

Almost surely, 2^1931036113 is an apocalyptic number.

It is an amenable number.

1931036113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1931036113 is an equidigital number, since it uses as much as digits as its factorization.

1931036113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 1931036113 is about 43943.5559894736. Note that the first 3 decimals coincide. The cubic root of 1931036113 is about 1245.2698270560.

The spelling of 1931036113 in words is "one billion, nine hundred thirty-one million, thirty-six thousand, one hundred thirteen".