232311130421 has 4 divisors (see below), whose sum is σ = 245976491052. Its totient is φ = 218645769792.

The previous prime is 232311130409. The next prime is 232311130427. The reversal of 232311130421 is 124031113232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 167293270225 + 65017860196 = 409015^2 + 254986^2 .

It is a cyclic number.

It is not a de Polignac number, because 232311130421 - 2¹⁸ = 232310868277 is a prime.

It is a super-2 number, since 2×232311130421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232311130427) 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, 6832680290 + ... + 6832680323.

It is an arithmetic number, because the mean of its divisors is an integer number (61494122763).

Almost surely, 2^232311130421 is an apocalyptic number.

It is an amenable number.

232311130421 is a deficient number, since it is larger than the sum of its proper divisors (13665360631).

232311130421 is a wasteful number, since it uses less digits than its factorization.

232311130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13665360630.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 232311130421 its reverse (124031113232), we get a palindrome (356342243653).

It can be divided in two parts, 2323111 and 30421, that added together give a palindrome (2353532).

The spelling of 232311130421 in words is "two hundred thirty-two billion, three hundred eleven million, one hundred thirty thousand, four hundred twenty-one".