231320001134 has 16 divisors (see below), whose sum is σ = 350259984000. Its totient is φ = 114571794744.

The previous prime is 231320001091. The next prime is 231320001137. The reversal of 231320001134 is 431100023132.

It is a super-2 number, since 2×231320001134² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231320001137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189844 + ... + 1370535.

It is an arithmetic number, because the mean of its divisors is an integer number (21891249000).

Almost surely, 2^231320001134 is an apocalyptic number.

231320001134 is a deficient number, since it is larger than the sum of its proper divisors (118939982866).

231320001134 is a wasteful number, since it uses less digits than its factorization.

231320001134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560807.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231320001134 its reverse (431100023132), we get a palindrome (662420024266).

The spelling of 231320001134 in words is "two hundred thirty-one billion, three hundred twenty million, one thousand, one hundred thirty-four".