131223232031034 has 96 divisors (see below), whose sum is σ = 310052749817664. Its totient is φ = 36702256381440.

The previous prime is 131223232031033. The next prime is 131223232031041. The reversal of 131223232031034 is 430130232322131.

It is a junction number, because it is equal to n+sod(n) for n = 131223232030992 and 131223232031010.

It is not an unprimeable number, because it can be changed into a prime (131223232031033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116074852 + ... + 117199904.

It is an arithmetic number, because the mean of its divisors is an integer number (3229716143934).

Almost surely, 2^{131223232031034} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131223232031034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155026374908832).

131223232031034 is an abundant number, since it is smaller than the sum of its proper divisors (178829517786630).

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

131223232031034 is a wasteful number, since it uses less digits than its factorization.

131223232031034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135552 (or 1135539 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 131223232031034 its reverse (430130232322131), we get a palindrome (561353464353165).

The spelling of 131223232031034 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, two hundred thirty-two million, thirty-one thousand, thirty-four".