232121343031 has 4 divisors (see below), whose sum is σ = 232659908064. Its totient is φ = 231582778000.

The previous prime is 232121342951. The next prime is 232121343043. The reversal of 232121343031 is 130343121232.

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 232121343031 - 2²⁷ = 231987125303 is a prime.

It is a super-2 number, since 2×232121343031² (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 = 232121342987 and 232121343005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232121343431) 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, 269281870 + ... + 269282731.

It is an arithmetic number, because the mean of its divisors is an integer number (58164977016).

Almost surely, 2^232121343031 is an apocalyptic number.

232121343031 is a deficient number, since it is larger than the sum of its proper divisors (538565033).

232121343031 is an equidigital number, since it uses as much as digits as its factorization.

232121343031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538565032.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 232121343031 its reverse (130343121232), we get a palindrome (362464464263).

The spelling of 232121343031 in words is "two hundred thirty-two billion, one hundred twenty-one million, three hundred forty-three thousand, thirty-one".