979991032411231 has 2 divisors, whose sum is σ = 979991032411232. Its totient is φ = 979991032411230.

The previous prime is 979991032411129. The next prime is 979991032411319. The reversal of 979991032411231 is 132114230199979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 979991032411231 - 2¹³ = 979991032403039 is a prime.

It is a super-2 number, since 2×979991032411231² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 979991032411231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979991032414231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489995516205615 + 489995516205616.

It is an arithmetic number, because the mean of its divisors is an integer number (489995516205616).

Almost surely, 2^{979991032411231} is an apocalyptic number.

979991032411231 is a deficient number, since it is larger than the sum of its proper divisors (1).

979991032411231 is an equidigital number, since it uses as much as digits as its factorization.

979991032411231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 61.

The spelling of 979991032411231 in words is "nine hundred seventy-nine trillion, nine hundred ninety-one billion, thirty-two million, four hundred eleven thousand, two hundred thirty-one".