131334034440 has 128 divisors (see below), whose sum is σ = 450424177920. Its totient is φ = 30010137600.

The previous prime is 131334034373. The next prime is 131334034451. The reversal of 131334034440 is 44430433131.

It is a super-2 number, since 2×131334034440² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 131334034398 and 131334034407.

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, 2986210 + ... + 3029870.

It is an arithmetic number, because the mean of its divisors is an integer number (3518938890).

Almost surely, 2^131334034440 is an apocalyptic number.

131334034440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131334034440 is an abundant number, since it is smaller than the sum of its proper divisors (319090143480).

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

131334034440 is a wasteful number, since it uses less digits than its factorization.

131334034440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47263 (or 47259 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 131334034440 its reverse (44430433131), we get a palindrome (175764467571).

The spelling of 131334034440 in words is "one hundred thirty-one billion, three hundred thirty-four million, thirty-four thousand, four hundred forty".