431020497 has 16 divisors (see below), whose sum is σ = 593802752. Its totient is φ = 277810560.

The previous prime is 431020477. The next prime is 431020537. The reversal of 431020497 is 794020134.

It is a happy number.

It is not a de Polignac number, because 431020497 - 2⁸ = 431020241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431020477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152703 + ... + 155499.

It is an arithmetic number, because the mean of its divisors is an integer number (37112672).

Almost surely, 2^431020497 is an apocalyptic number.

It is an amenable number.

431020497 is a deficient number, since it is larger than the sum of its proper divisors (162782255).

431020497 is a wasteful number, since it uses less digits than its factorization.

431020497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 431020497 is about 20761.0331390324. The cubic root of 431020497 is about 755.3808566306.

The spelling of 431020497 in words is "four hundred thirty-one million, twenty thousand, four hundred ninety-seven".