431116152 has 32 divisors (see below), whose sum is σ = 1081698000. Its totient is φ = 143184384.

The previous prime is 431116139. The next prime is 431116159. The reversal of 431116152 is 251611134.

It is a happy number.

It is a super-2 number, since 2×431116152² = 371722273030574208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431116159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25777 + ... + 39072.

Almost surely, 2^431116152 is an apocalyptic number.

It is an amenable number.

431116152 is an abundant number, since it is smaller than the sum of its proper divisors (650581848).

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

431116152 is a wasteful number, since it uses less digits than its factorization.

431116152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65135 (or 65131 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 431116152 is about 20763.3367260660. The cubic root of 431116152 is about 755.4367322496.

Adding to 431116152 its reverse (251611134), we get a palindrome (682727286).

The spelling of 431116152 in words is "four hundred thirty-one million, one hundred sixteen thousand, one hundred fifty-two".