211740462331 has 2 divisors, whose sum is σ = 211740462332. Its totient is φ = 211740462330.

The previous prime is 211740462257. The next prime is 211740462377. The reversal of 211740462331 is 133264047112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211740462331 - 2¹³ = 211740454139 is a prime.

It is a super-2 number, since 2×211740462331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211740462431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105870231165 + 105870231166.

It is an arithmetic number, because the mean of its divisors is an integer number (105870231166).

Almost surely, 2^211740462331 is an apocalyptic number.

211740462331 is a deficient number, since it is larger than the sum of its proper divisors (1).

211740462331 is an equidigital number, since it uses as much as digits as its factorization.

211740462331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 211740462331 in words is "two hundred eleven billion, seven hundred forty million, four hundred sixty-two thousand, three hundred thirty-one".