131103132245 has 16 divisors (see below), whose sum is σ = 165740178240. Its totient is φ = 99280641024.

The previous prime is 131103132221. The next prime is 131103132257. The reversal of 131103132245 is 542231301131.

It is not a de Polignac number, because 131103132245 - 2⁸ = 131103131989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451367 + ... + 682596.

It is an arithmetic number, because the mean of its divisors is an integer number (10358761140).

Almost surely, 2^131103132245 is an apocalyptic number.

It is an amenable number.

131103132245 is a deficient number, since it is larger than the sum of its proper divisors (34637045995).

131103132245 is a wasteful number, since it uses less digits than its factorization.

131103132245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135204.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 131103132245 its reverse (542231301131), we get a palindrome (673334433376).

The spelling of 131103132245 in words is "one hundred thirty-one billion, one hundred three million, one hundred thirty-two thousand, two hundred forty-five".