234113281 has 2 divisors, whose sum is σ = 234113282. Its totient is φ = 234113280.

The previous prime is 234113237. The next prime is 234113291. The reversal of 234113281 is 182311432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168584256 + 65529025 = 12984^2 + 8095^2 .

It is a cyclic number.

It is not a de Polignac number, because 234113281 - 2¹³ = 234105089 is a prime.

It is a super-2 number, since 2×234113281² = 109618056681169922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (234113221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117056640 + 117056641.

It is an arithmetic number, because the mean of its divisors is an integer number (117056641).

Almost surely, 2^234113281 is an apocalyptic number.

It is an amenable number.

234113281 is a deficient number, since it is larger than the sum of its proper divisors (1).

234113281 is an equidigital number, since it uses as much as digits as its factorization.

234113281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 234113281 is about 15300.7607980780. The cubic root of 234113281 is about 616.3234381525.

The spelling of 234113281 in words is "two hundred thirty-four million, one hundred thirteen thousand, two hundred eighty-one".