231433210134 has 48 divisors (see below), whose sum is σ = 574634331648. Its totient is φ = 65943587376.

The previous prime is 231433210133. The next prime is 231433210147. The reversal of 231433210134 is 431012334132.

It is a happy number.

231433210134 is a `hidden beast` number, since 2 + 3 + 1 + 433 + 210 + 13 + 4 = 666.

It is a super-2 number, since 2×231433210134² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231433210098 and 231433210107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231433210133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2456172 + ... + 2548655.

It is an arithmetic number, because the mean of its divisors is an integer number (11971548576).

Almost surely, 2^231433210134 is an apocalyptic number.

231433210134 is an abundant number, since it is smaller than the sum of its proper divisors (343201121514).

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

231433210134 is a wasteful number, since it uses less digits than its factorization.

231433210134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005209 (or 5005206 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 231433210134 its reverse (431012334132), we get a palindrome (662445544266).

The spelling of 231433210134 in words is "two hundred thirty-one billion, four hundred thirty-three million, two hundred ten thousand, one hundred thirty-four".