3232531157 has 4 divisors (see below), whose sum is σ = 3232957440. Its totient is φ = 3232104876.

The previous prime is 3232531153. The next prime is 3232531163. The reversal of 3232531157 is 7511352323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3232531157 - 2² = 3232531153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3232531153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 201557 + ... + 217002.

It is an arithmetic number, because the mean of its divisors is an integer number (808239360).

Almost surely, 2^3232531157 is an apocalyptic number.

It is an amenable number.

3232531157 is a deficient number, since it is larger than the sum of its proper divisors (426283).

3232531157 is an equidigital number, since it uses as much as digits as its factorization.

3232531157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426282.

The product of its digits is 18900, while the sum is 32.

The square root of 3232531157 is about 56855.3529318041. The cubic root of 3232531157 is about 1478.5893481372.

The spelling of 3232531157 in words is "three billion, two hundred thirty-two million, five hundred thirty-one thousand, one hundred fifty-seven".