131103231301 has 6 divisors (see below), whose sum is σ = 152507840550. Its totient is φ = 112374198216.

The previous prime is 131103231257. The next prime is 131103231307. The reversal of 131103231301 is 103132301131.

It can be written as a sum of positive squares in only one way, i.e., 118886350401 + 12216880900 = 344799^2 + 110530^2 .

It is not a de Polignac number, because 131103231301 - 2¹³ = 131103223109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103231307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1337788026 + ... + 1337788123.

It is an arithmetic number, because the mean of its divisors is an integer number (25417973425).

Almost surely, 2^131103231301 is an apocalyptic number.

It is an amenable number.

131103231301 is a deficient number, since it is larger than the sum of its proper divisors (21404609249).

131103231301 is an equidigital number, since it uses as much as digits as its factorization.

131103231301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675576163 (or 2675576156 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131103231301 its reverse (103132301131), we get a palindrome (234235532432).

It can be divided in two parts, 131103 and 231301, that added together give a square (362404 = 602²).

The spelling of 131103231301 in words is "one hundred thirty-one billion, one hundred three million, two hundred thirty-one thousand, three hundred one".