103313231100031 has 4 divisors (see below), whose sum is σ = 108750769579000. Its totient is φ = 97875692621064.

The previous prime is 103313231100007. The next prime is 103313231100089. The reversal of 103313231100031 is 130001132313301.

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

It is a cyclic number.

It is not a de Polignac number, because 103313231100031 - 2⁵ = 103313231099999 is a prime.

It is a super-2 number, since 2×103313231100031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103313231099975 and 103313231100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103313231106031) 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, 2718769239456 + ... + 2718769239493.

It is an arithmetic number, because the mean of its divisors is an integer number (27187692394750).

Almost surely, 2^{103313231100031} is an apocalyptic number.

103313231100031 is a deficient number, since it is larger than the sum of its proper divisors (5437538478969).

103313231100031 is an equidigital number, since it uses as much as digits as its factorization.

103313231100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437538478968.

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

Adding to 103313231100031 its reverse (130001132313301), we get a palindrome (233314363413332).

The spelling of 103313231100031 in words is "one hundred three trillion, three hundred thirteen billion, two hundred thirty-one million, one hundred thousand, thirty-one".