131304403130 has 16 divisors (see below), whose sum is σ = 236355847560. Its totient is φ = 52520000832.

The previous prime is 131304403099. The next prime is 131304403141. The reversal of 131304403130 is 31304403131.

It can be written as a sum of positive squares in 4 ways, for example, as 104656779049 + 26647624081 = 323507^2 + 163241^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131304403096 and 131304403105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117932 + ... + 525848.

Almost surely, 2^131304403130 is an apocalyptic number.

131304403130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131304403130 is a deficient number, since it is larger than the sum of its proper divisors (105051444430).

131304403130 is a wasteful number, since it uses less digits than its factorization.

131304403130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440113.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131304403130 its reverse (31304403131), we get a palindrome (162608806261).

Subtracting from 131304403130 its reverse (31304403131), we obtain a palindrome (99999999999).

The spelling of 131304403130 in words is "one hundred thirty-one billion, three hundred four million, four hundred three thousand, one hundred thirty".