981430430131 has 2 divisors, whose sum is σ = 981430430132. Its totient is φ = 981430430130.

The previous prime is 981430430129. The next prime is 981430430153. The reversal of 981430430131 is 131034034189.

It is a weak prime.

It is an emirp because it is prime and its reverse (131034034189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 981430430131 - 2¹ = 981430430129 is a prime.

It is a super-2 number, since 2×981430430131² (a number of 25 digits) contains 22 as substring.

Together with 981430430129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (981430430161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490715215065 + 490715215066.

It is an arithmetic number, because the mean of its divisors is an integer number (490715215066).

Almost surely, 2^981430430131 is an apocalyptic number.

981430430131 is a deficient number, since it is larger than the sum of its proper divisors (1).

981430430131 is an equidigital number, since it uses as much as digits as its factorization.

981430430131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 981430430131 in words is "nine hundred eighty-one billion, four hundred thirty million, four hundred thirty thousand, one hundred thirty-one".