163052431 has 8 divisors (see below), whose sum is σ = 167446400. Its totient is φ = 158685912.

The previous prime is 163052401. The next prime is 163052479. The reversal of 163052431 is 134250361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163052431 - 2⁹ = 163051919 is a prime.

It is a super-2 number, since 2×163052431² = 53172190510019522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163052396 and 163052405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163052401) 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, 5470 + ... + 18868.

It is an arithmetic number, because the mean of its divisors is an integer number (20930800).

Almost surely, 2^163052431 is an apocalyptic number.

163052431 is a deficient number, since it is larger than the sum of its proper divisors (4393969).

163052431 is a wasteful number, since it uses less digits than its factorization.

163052431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13725.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 163052431 is about 12769.1985261409. The cubic root of 163052431 is about 546.3141208393.

The spelling of 163052431 in words is "one hundred sixty-three million, fifty-two thousand, four hundred thirty-one".