11940367031 has 2 divisors, whose sum is σ = 11940367032. Its totient is φ = 11940367030.

The previous prime is 11940367013. The next prime is 11940367069. The reversal of 11940367031 is 13076304911.

It is a happy number.

Together with previous prime (11940367013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11940367031 is a prime.

It is a super-2 number, since 2×11940367031² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11940366982 and 11940367000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11940367631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5970183515 + 5970183516.

It is an arithmetic number, because the mean of its divisors is an integer number (5970183516).

Almost surely, 2^11940367031 is an apocalyptic number.

11940367031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11940367031 is an equidigital number, since it uses as much as digits as its factorization.

11940367031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 11940367031 in words is "eleven billion, nine hundred forty million, three hundred sixty-seven thousand, thirty-one".