11930132531 has 2 divisors, whose sum is σ = 11930132532. Its totient is φ = 11930132530.

The previous prime is 11930132527. The next prime is 11930132569. The reversal of 11930132531 is 13523103911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11930132531 - 2² = 11930132527 is a prime.

It is a super-2 number, since 2×11930132531² (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 = 11930132494 and 11930132503.

It is not a weakly prime, because it can be changed into another prime (11930132521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5965066265 + 5965066266.

It is an arithmetic number, because the mean of its divisors is an integer number (5965066266).

Almost surely, 2^11930132531 is an apocalyptic number.

11930132531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11930132531 is an equidigital number, since it uses as much as digits as its factorization.

11930132531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The spelling of 11930132531 in words is "eleven billion, nine hundred thirty million, one hundred thirty-two thousand, five hundred thirty-one".