4231019932991 has 2 divisors, whose sum is σ = 4231019932992. Its totient is φ = 4231019932990.

The previous prime is 4231019932963. The next prime is 4231019933003. The reversal of 4231019932991 is 1992399101324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4231019932991 - 2¹⁰ = 4231019931967 is a prime.

It is a super-2 number, since 2×4231019932991² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231019932591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115509966495 + 2115509966496.

It is an arithmetic number, because the mean of its divisors is an integer number (2115509966496).

Almost surely, 2^{4231019932991} is an apocalyptic number.

4231019932991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231019932991 is an equidigital number, since it uses as much as digits as its factorization.

4231019932991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 53.

The spelling of 4231019932991 in words is "four trillion, two hundred thirty-one billion, nineteen million, nine hundred thirty-two thousand, nine hundred ninety-one".