232001121031 has 4 divisors (see below), whose sum is σ = 232863579000. Its totient is φ = 231138663064.

The previous prime is 232001120977. The next prime is 232001121083. The reversal of 232001121031 is 130121100232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232001121031 is a prime.

It is a super-2 number, since 2×232001121031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232001120996 and 232001121014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232001121091) 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, 431228581 + ... + 431229118.

It is an arithmetic number, because the mean of its divisors is an integer number (58215894750).

Almost surely, 2^232001121031 is an apocalyptic number.

232001121031 is a deficient number, since it is larger than the sum of its proper divisors (862457969).

232001121031 is an equidigital number, since it uses as much as digits as its factorization.

232001121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862457968.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 232001121031 its reverse (130121100232), we get a palindrome (362122221263).

The spelling of 232001121031 in words is "two hundred thirty-two billion, one million, one hundred twenty-one thousand, thirty-one".