431214423197 has 2 divisors, whose sum is σ = 431214423198. Its totient is φ = 431214423196.

The previous prime is 431214423113. The next prime is 431214423223. The reversal of 431214423197 is 791324412134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395101502041 + 36112921156 = 628571^2 + 190034^2 .

It is a cyclic number.

It is not a de Polignac number, because 431214423197 - 2⁸ = 431214422941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431214423397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215607211598 + 215607211599.

It is an arithmetic number, because the mean of its divisors is an integer number (215607211599).

Almost surely, 2^431214423197 is an apocalyptic number.

It is an amenable number.

431214423197 is a deficient number, since it is larger than the sum of its proper divisors (1).

431214423197 is an equidigital number, since it uses as much as digits as its factorization.

431214423197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The spelling of 431214423197 in words is "four hundred thirty-one billion, two hundred fourteen million, four hundred twenty-three thousand, one hundred ninety-seven".