131233012134 has 64 divisors (see below), whose sum is σ = 308837878272. Its totient is φ = 36394848000.

The previous prime is 131233012067. The next prime is 131233012159. The reversal of 131233012134 is 431210332131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145809 + ... + 532659.

It is an arithmetic number, because the mean of its divisors is an integer number (4825591848).

Almost surely, 2^131233012134 is an apocalyptic number.

131233012134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131233012134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154418939136).

131233012134 is an abundant number, since it is smaller than the sum of its proper divisors (177604866138).

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

131233012134 is a wasteful number, since it uses less digits than its factorization.

131233012134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387101.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131233012134 its reverse (431210332131), we get a palindrome (562443344265).

The spelling of 131233012134 in words is "one hundred thirty-one billion, two hundred thirty-three million, twelve thousand, one hundred thirty-four".