230401221431 has 4 divisors (see below), whose sum is σ = 230853876600. Its totient is φ = 229948566264.

The previous prime is 230401221419. The next prime is 230401221451. The reversal of 230401221431 is 134122104032.

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 230401221431 - 2³⁰ = 229327479607 is a prime.

It is a super-2 number, since 2×230401221431² (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 = 230401221397 and 230401221406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230401221451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226326821 + ... + 226327838.

It is an arithmetic number, because the mean of its divisors is an integer number (57713469150).

Almost surely, 2^230401221431 is an apocalyptic number.

230401221431 is a deficient number, since it is larger than the sum of its proper divisors (452655169).

230401221431 is an equidigital number, since it uses as much as digits as its factorization.

230401221431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452655168.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 230401221431 its reverse (134122104032), we get a palindrome (364523325463).

The spelling of 230401221431 in words is "two hundred thirty billion, four hundred one million, two hundred twenty-one thousand, four hundred thirty-one".