212475030431 has 2 divisors, whose sum is σ = 212475030432. Its totient is φ = 212475030430.

The previous prime is 212475030371. The next prime is 212475030461. The reversal of 212475030431 is 134030574212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212475030431 is a prime.

It is a super-2 number, since 2×212475030431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212475030461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106237515215 + 106237515216.

It is an arithmetic number, because the mean of its divisors is an integer number (106237515216).

Almost surely, 2^212475030431 is an apocalyptic number.

212475030431 is a deficient number, since it is larger than the sum of its proper divisors (1).

212475030431 is an equidigital number, since it uses as much as digits as its factorization.

212475030431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 212475030431 in words is "two hundred twelve billion, four hundred seventy-five million, thirty thousand, four hundred thirty-one".