131102442440 has 16 divisors (see below), whose sum is σ = 294980495580. Its totient is φ = 52440976960.

The previous prime is 131102442407. The next prime is 131102442451. The reversal of 131102442440 is 44244201131.

It can be written as a sum of positive squares in 2 ways, for example, as 119781056836 + 11321385604 = 346094^2 + 106402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638780491 + ... + 1638780570.

Almost surely, 2^131102442440 is an apocalyptic number.

131102442440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131102442440 is an abundant number, since it is smaller than the sum of its proper divisors (163878053140).

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

131102442440 is a wasteful number, since it uses less digits than its factorization.

131102442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277561072 (or 3277561068 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 131102442440 its reverse (44244201131), we get a palindrome (175346643571).

The spelling of 131102442440 in words is "one hundred thirty-one billion, one hundred two million, four hundred forty-two thousand, four hundred forty".