211431432339 has 6 divisors (see below), whose sum is σ = 305400957836. Its totient is φ = 140954288220.

The previous prime is 211431432301. The next prime is 211431432353. The reversal of 211431432339 is 933234134112.

211431432339 is a `hidden beast` number, since 2 + 1 + 1 + 4 + 314 + 3 + 2 + 339 = 666.

It is not a de Polignac number, because 211431432339 - 2²⁵ = 211397877907 is a prime.

It is a super-2 number, since 2×211431432339² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211431432439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11746190677 + ... + 11746190694.

Almost surely, 2^211431432339 is an apocalyptic number.

211431432339 is a deficient number, since it is larger than the sum of its proper divisors (93969525497).

211431432339 is a wasteful number, since it uses less digits than its factorization.

211431432339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23492381377 (or 23492381374 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The spelling of 211431432339 in words is "two hundred eleven billion, four hundred thirty-one million, four hundred thirty-two thousand, three hundred thirty-nine".