131003411505 has 32 divisors (see below), whose sum is σ = 220691174400. Its totient is φ = 66175042752.

The previous prime is 131003411501. The next prime is 131003411507. The reversal of 131003411505 is 505114300131.

It is not a de Polignac number, because 131003411505 - 2² = 131003411501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131003411501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159852 + ... + 1267778.

It is an arithmetic number, because the mean of its divisors is an integer number (6896599200).

Almost surely, 2^131003411505 is an apocalyptic number.

131003411505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131003411505 is a deficient number, since it is larger than the sum of its proper divisors (89687762895).

131003411505 is a wasteful number, since it uses less digits than its factorization.

131003411505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112213.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 131003411505 its reverse (505114300131), we get a palindrome (636117711636).

The spelling of 131003411505 in words is "one hundred thirty-one billion, three million, four hundred eleven thousand, five hundred five".