230031002121 has 16 divisors (see below), whose sum is σ = 308798956800. Its totient is φ = 152308741760.

The previous prime is 230031002101. The next prime is 230031002143. The reversal of 230031002121 is 121200130032.

It is a cyclic number.

It is not a de Polignac number, because 230031002121 - 2⁹ = 230031001609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230031002121.

It is not an unprimeable number, because it can be changed into a prime (230031002101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5468656 + ... + 5510558.

It is an arithmetic number, because the mean of its divisors is an integer number (19299934800).

Almost surely, 2^230031002121 is an apocalyptic number.

It is an amenable number.

230031002121 is a deficient number, since it is larger than the sum of its proper divisors (78767954679).

230031002121 is a wasteful number, since it uses less digits than its factorization.

230031002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54336.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 230031002121 its reverse (121200130032), we get a palindrome (351231132153).

The spelling of 230031002121 in words is "two hundred thirty billion, thirty-one million, two thousand, one hundred twenty-one".