131103404544 has 320 divisors, whose sum is σ = 408595562496. Its totient is φ = 36582948864.

The previous prime is 131103404501. The next prime is 131103404581. The reversal of 131103404544 is 445404301131.

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, 91488052 + ... + 91489484.

Almost surely, 2^131103404544 is an apocalyptic number.

131103404544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131103404544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204297781248).

131103404544 is an abundant number, since it is smaller than the sum of its proper divisors (277492157952).

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

131103404544 is a wasteful number, since it uses less digits than its factorization.

131103404544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 131103404544 its reverse (445404301131), we get a palindrome (576507705675).

The spelling of 131103404544 in words is "one hundred thirty-one billion, one hundred three million, four hundred four thousand, five hundred forty-four".