233401402331 has 2 divisors, whose sum is σ = 233401402332. Its totient is φ = 233401402330.

The previous prime is 233401402307. The next prime is 233401402343. The reversal of 233401402331 is 133204104332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 233401402331 - 2³⁴ = 216221533147 is a prime.

It is a super-2 number, since 2×233401402331² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233401402331.

It is not a weakly prime, because it can be changed into another prime (233401402831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116700701165 + 116700701166.

It is an arithmetic number, because the mean of its divisors is an integer number (116700701166).

Almost surely, 2^233401402331 is an apocalyptic number.

233401402331 is a deficient number, since it is larger than the sum of its proper divisors (1).

233401402331 is an equidigital number, since it uses as much as digits as its factorization.

233401402331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 233401402331 its reverse (133204104332), we get a palindrome (366605506663).

The spelling of 233401402331 in words is "two hundred thirty-three billion, four hundred one million, four hundred two thousand, three hundred thirty-one".