113378381 has 2 divisors, whose sum is σ = 113378382. Its totient is φ = 113378380.

The previous prime is 113378359. The next prime is 113378387. The reversal of 113378381 is 183873311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 28185481 = 9230^2 + 5309^2 .

It is a cyclic number.

It is not a de Polignac number, because 113378381 - 2¹⁰ = 113377357 is a prime.

It is a super-2 number, since 2×113378381² = 25709314556362322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113378387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56689190 + 56689191.

It is an arithmetic number, because the mean of its divisors is an integer number (56689191).

Almost surely, 2^113378381 is an apocalyptic number.

It is an amenable number.

113378381 is a deficient number, since it is larger than the sum of its proper divisors (1).

113378381 is an equidigital number, since it uses as much as digits as its factorization.

113378381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 113378381 is about 10647.9284839822. The cubic root of 113378381 is about 483.9978328455.

The spelling of 113378381 in words is "one hundred thirteen million, three hundred seventy-eight thousand, three hundred eighty-one".