103131131233 has 4 divisors (see below), whose sum is σ = 111064295188. Its totient is φ = 95197967280.

The previous prime is 103131131197. The next prime is 103131131269. The reversal of 103131131233 is 332131131301.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (103131131197) and next prime (103131131269).

It can be written as a sum of positive squares in 2 ways, for example, as 64623740944 + 38507390289 = 254212^2 + 196233^2 .

It is not a de Polignac number, because 103131131233 - 2³³ = 94541196641 is a prime.

It is a super-5 number, since 5×103131131233⁵ (a number of 56 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103131131633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3966581958 + ... + 3966581983.

It is an arithmetic number, because the mean of its divisors is an integer number (27766073797).

Almost surely, 2^103131131233 is an apocalyptic number.

103131131233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103131131233 is a deficient number, since it is larger than the sum of its proper divisors (7933163955).

103131131233 is an equidigital number, since it uses as much as digits as its factorization.

103131131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933163954.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 103131131233 its reverse (332131131301), we get a palindrome (435262262534).

The spelling of 103131131233 in words is "one hundred three billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty-three".