211050431 has 2 divisors, whose sum is σ = 211050432. Its totient is φ = 211050430.

The previous prime is 211050419. The next prime is 211050443. The reversal of 211050431 is 134050112.

It is a balanced prime because it is at equal distance from previous prime (211050419) and next prime (211050443).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211050431 is a prime.

It is a super-2 number, since 2×211050431² = 89084568850571522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211050401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105525215 + 105525216.

It is an arithmetic number, because the mean of its divisors is an integer number (105525216).

Almost surely, 2^211050431 is an apocalyptic number.

211050431 is a deficient number, since it is larger than the sum of its proper divisors (1).

211050431 is an equidigital number, since it uses as much as digits as its factorization.

211050431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 211050431 is about 14527.5748492307. The cubic root of 211050431 is about 595.3816077064.

The spelling of 211050431 in words is "two hundred eleven million, fifty thousand, four hundred thirty-one".