231442442334 has 24 divisors (see below), whose sum is σ = 501722485992. Its totient is φ = 77106886800.

The previous prime is 231442442303. The next prime is 231442442377. The reversal of 231442442334 is 433244244132.

231442442334 is a `hidden beast` number, since 2 + 314 + 4 + 2 + 4 + 4 + 2 + 334 = 666.

It is a super-2 number, since 2×231442442334² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3347664 + ... + 3416099.

It is an arithmetic number, because the mean of its divisors is an integer number (20905103583).

Almost surely, 2^231442442334 is an apocalyptic number.

231442442334 is an abundant number, since it is smaller than the sum of its proper divisors (270280043658).

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

231442442334 is a wasteful number, since it uses less digits than its factorization.

231442442334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765672 (or 6765669 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

Adding to 231442442334 its reverse (433244244132), we get a palindrome (664686686466).

The spelling of 231442442334 in words is "two hundred thirty-one billion, four hundred forty-two million, four hundred forty-two thousand, three hundred thirty-four".