233310121381 has 2 divisors, whose sum is σ = 233310121382. Its totient is φ = 233310121380.

The previous prime is 233310121367. The next prime is 233310121393. The reversal of 233310121381 is 183121013332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172777392225 + 60532729156 = 415665^2 + 246034^2 .

It is a cyclic number.

It is not a de Polignac number, because 233310121381 - 2¹¹ = 233310119333 is a prime.

It is a super-2 number, since 2×233310121381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233310121181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116655060690 + 116655060691.

It is an arithmetic number, because the mean of its divisors is an integer number (116655060691).

Almost surely, 2^233310121381 is an apocalyptic number.

It is an amenable number.

233310121381 is a deficient number, since it is larger than the sum of its proper divisors (1).

233310121381 is an equidigital number, since it uses as much as digits as its factorization.

233310121381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 233310121381 in words is "two hundred thirty-three billion, three hundred ten million, one hundred twenty-one thousand, three hundred eighty-one".