11995031 has 2 divisors, whose sum is σ = 11995032. Its totient is φ = 11995030.

The previous prime is 11995019. The next prime is 11995057. The reversal of 11995031 is 13059911.

11995031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11995031 - 2⁶ = 11994967 is a prime.

It is a super-2 number, since 2×11995031² = 287761537381922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11994985 and 11995003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11995091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5997515 + 5997516.

It is an arithmetic number, because the mean of its divisors is an integer number (5997516).

Almost surely, 2^11995031 is an apocalyptic number.

11995031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11995031 is an equidigital number, since it uses as much as digits as its factorization.

11995031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 11995031 is about 3463.3843275040. The cubic root of 11995031 is about 228.9112436753.

The spelling of 11995031 in words is "eleven million, nine hundred ninety-five thousand, thirty-one".