131101031203 has 4 divisors (see below), whose sum is σ = 133057763080. Its totient is φ = 129144299328.

The previous prime is 131101031197. The next prime is 131101031209. The reversal of 131101031203 is 302130101131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302130101131 = 541 ⋅558465991.

It is an interprime number because it is at equal distance from previous prime (131101031197) and next prime (131101031209).

It is a cyclic number.

It is not a de Polignac number, because 131101031203 - 2⁹ = 131101030691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131101031209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978365838 + ... + 978365971.

It is an arithmetic number, because the mean of its divisors is an integer number (33264440770).

Almost surely, 2^131101031203 is an apocalyptic number.

131101031203 is a deficient number, since it is larger than the sum of its proper divisors (1956731877).

131101031203 is an equidigital number, since it uses as much as digits as its factorization.

131101031203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956731876.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 131101031203 its reverse (302130101131), we get a palindrome (433231132334).

The spelling of 131101031203 in words is "one hundred thirty-one billion, one hundred one million, thirty-one thousand, two hundred three".