234481313281 has 4 divisors (see below), whose sum is σ = 236632518100. Its totient is φ = 232330108464.

The previous prime is 234481313257. The next prime is 234481313291. The reversal of 234481313281 is 182313184432.

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 179483559025 + 54997754256 = 423655^2 + 234516^2 .

It is a cyclic number.

It is not a de Polignac number, because 234481313281 - 2²⁷ = 234347095553 is a prime.

It is a super-2 number, since 2×234481313281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234481313201) 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, 1075602246 + ... + 1075602463.

It is an arithmetic number, because the mean of its divisors is an integer number (59158129525).

Almost surely, 2^234481313281 is an apocalyptic number.

It is an amenable number.

234481313281 is a deficient number, since it is larger than the sum of its proper divisors (2151204819).

234481313281 is a wasteful number, since it uses less digits than its factorization.

234481313281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151204818.

The product of its digits is 110592, while the sum is 40.

The spelling of 234481313281 in words is "two hundred thirty-four billion, four hundred eighty-one million, three hundred thirteen thousand, two hundred eighty-one".