11197446031 has 2 divisors, whose sum is σ = 11197446032. Its totient is φ = 11197446030.

The previous prime is 11197445929. The next prime is 11197446077. The reversal of 11197446031 is 13064479111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11197446031 - 2¹⁵ = 11197413263 is a prime.

It is a super-2 number, since 2×11197446031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11197446731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5598723015 + 5598723016.

It is an arithmetic number, because the mean of its divisors is an integer number (5598723016).

Almost surely, 2^11197446031 is an apocalyptic number.

11197446031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11197446031 is an equidigital number, since it uses as much as digits as its factorization.

11197446031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 11197446031 in words is "eleven billion, one hundred ninety-seven million, four hundred forty-six thousand, thirty-one".