131244431304 has 128 divisors (see below), whose sum is σ = 385653427200. Its totient is φ = 36434292480.

The previous prime is 131244431231. The next prime is 131244431309. The reversal of 131244431304 is 403134442131.

It is not an unprimeable number, because it can be changed into a prime (131244431309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4579339 + ... + 4607909.

It is an arithmetic number, because the mean of its divisors is an integer number (3012917400).

Almost surely, 2^131244431304 is an apocalyptic number.

131244431304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131244431304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192826713600).

131244431304 is an abundant number, since it is smaller than the sum of its proper divisors (254408995896).

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

131244431304 is a wasteful number, since it uses less digits than its factorization.

131244431304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29363 (or 29359 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131244431304 its reverse (403134442131), we get a palindrome (534378873435).

The spelling of 131244431304 in words is "one hundred thirty-one billion, two hundred forty-four million, four hundred thirty-one thousand, three hundred four".