131043302240 has 96 divisors (see below), whose sum is σ = 334190162880. Its totient is φ = 48409360384.

The previous prime is 131043302239. The next prime is 131043302371. The reversal of 131043302240 is 42203340131.

It is a super-3 number, since 3×131043302240³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507239 + ... + 720678.

It is an arithmetic number, because the mean of its divisors is an integer number (3481147530).

Almost surely, 2^131043302240 is an apocalyptic number.

131043302240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131043302240 is an abundant number, since it is smaller than the sum of its proper divisors (203146860640).

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

131043302240 is a wasteful number, since it uses less digits than its factorization.

131043302240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227984 (or 1227976 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 131043302240 its reverse (42203340131), we get a palindrome (173246642371).

The spelling of 131043302240 in words is "one hundred thirty-one billion, forty-three million, three hundred two thousand, two hundred forty".