234531030402 has 12 divisors (see below), whose sum is σ = 508150565910. Its totient is φ = 78177010128.

The previous prime is 234531030319. The next prime is 234531030403. The reversal of 234531030402 is 204030135432.

234531030402 is a `hidden beast` number, since 2 + 3 + 45 + 310 + 304 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 194314337721 + 40216692681 = 440811^2 + 200541^2 .

It is a super-3 number, since 3×234531030402³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (234531030403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6514750827 + ... + 6514750862.

Almost surely, 2^234531030402 is an apocalyptic number.

234531030402 is an abundant number, since it is smaller than the sum of its proper divisors (273619535508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234531030402 is a wasteful number, since it uses less digits than its factorization.

234531030402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13029501697 (or 13029501694 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 234531030402 its reverse (204030135432), we get a palindrome (438561165834).

The spelling of 234531030402 in words is "two hundred thirty-four billion, five hundred thirty-one million, thirty thousand, four hundred two".