232020031 has 4 divisors (see below), whose sum is σ = 233119864. Its totient is φ = 230920200.

The previous prime is 232020017. The next prime is 232020053. The reversal of 232020031 is 130020232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232020031 - 2⁵ = 232019999 is a prime.

It is a super-2 number, since 2×232020031² = 107666589570481922, 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 = 232019993 and 232020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232020011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549600 + ... + 550021.

It is an arithmetic number, because the mean of its divisors is an integer number (58279966).

Almost surely, 2^232020031 is an apocalyptic number.

232020031 is a deficient number, since it is larger than the sum of its proper divisors (1099833).

232020031 is a wasteful number, since it uses less digits than its factorization.

232020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099832.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 232020031 is about 15232.2037473243. The cubic root of 232020031 is about 614.4810489898.

Adding to 232020031 its reverse (130020232), we get a palindrome (362040263).

The spelling of 232020031 in words is "two hundred thirty-two million, twenty thousand, thirty-one".