131442313340 has 24 divisors (see below), whose sum is σ = 297261847680. Its totient is φ = 48532546368.

The previous prime is 131442313339. The next prime is 131442313349. The reversal of 131442313340 is 43313244131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131442313349) 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, 252773420 + ... + 252773939.

It is an arithmetic number, because the mean of its divisors is an integer number (12385910320).

Almost surely, 2^131442313340 is an apocalyptic number.

131442313340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131442313340 is an abundant number, since it is smaller than the sum of its proper divisors (165819534340).

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

131442313340 is a wasteful number, since it uses less digits than its factorization.

131442313340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505547381 (or 505547379 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131442313340 its reverse (43313244131), we get a palindrome (174755557471).

The spelling of 131442313340 in words is "one hundred thirty-one billion, four hundred forty-two million, three hundred thirteen thousand, three hundred forty".