11538031 has 2 divisors, whose sum is σ = 11538032. Its totient is φ = 11538030.

The previous prime is 11538017. The next prime is 11538041. The reversal of 11538031 is 13083511.

11538031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11538031 is a prime.

It is a super-2 number, since 2×11538031² = 266252318713922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11537993 and 11538011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11538041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5769015 + 5769016.

It is an arithmetic number, because the mean of its divisors is an integer number (5769016).

Almost surely, 2^11538031 is an apocalyptic number.

11538031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11538031 is an equidigital number, since it uses as much as digits as its factorization.

11538031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 11538031 is about 3396.7677282970. The cubic root of 11538031 is about 225.9664175960.

The spelling of 11538031 in words is "eleven million, five hundred thirty-eight thousand, thirty-one".