431116620 has 48 divisors (see below), whose sum is σ = 1316867328. Its totient is φ = 104512960.

The previous prime is 431116607. The next prime is 431116633. The reversal of 431116620 is 26611134.

It is an interprime number because it is at equal distance from previous prime (431116607) and next prime (431116633).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325944 + ... + 327263.

It is an arithmetic number, because the mean of its divisors is an integer number (27434736).

Almost surely, 2^431116620 is an apocalyptic number.

It is an amenable number.

431116620 is an abundant number, since it is smaller than the sum of its proper divisors (885750708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431116620 is a wasteful number, since it uses less digits than its factorization.

431116620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653230 (or 653228 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 431116620 is about 20763.3479959278. The cubic root of 431116620 is about 755.4370056054.

Adding to 431116620 its reverse (26611134), we get a palindrome (457727754).

The spelling of 431116620 in words is "four hundred thirty-one million, one hundred sixteen thousand, six hundred twenty".