131214323240 has 128 divisors (see below), whose sum is σ = 396395838720. Its totient is φ = 37751961600.

The previous prime is 131214323239. The next prime is 131214323267. The reversal of 131214323240 is 42323412131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1598501 + ... + 1678580.

It is an arithmetic number, because the mean of its divisors is an integer number (3096842490).

Almost surely, 2^131214323240 is an apocalyptic number.

131214323240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131214323240 is an abundant number, since it is smaller than the sum of its proper divisors (265181515480).

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

131214323240 is a wasteful number, since it uses less digits than its factorization.

131214323240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277123 (or 3277119 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131214323240 its reverse (42323412131), we get a palindrome (173537735371).

It can be divided in two parts, 131214 and 323240, that added together give a palindrome (454454).

The spelling of 131214323240 in words is "one hundred thirty-one billion, two hundred fourteen million, three hundred twenty-three thousand, two hundred forty".