103031330311031 has 4 divisors (see below), whose sum is σ = 104031634488912. Its totient is φ = 102031026133152.

The previous prime is 103031330311009. The next prime is 103031330311033. The reversal of 103031330311031 is 130113033130301.

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 103031330311031 - 2⁶ = 103031330310967 is a prime.

It is a super-2 number, since 2×103031330311031² (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 = 103031330310988 and 103031330311006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031330311033) 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, 500152088786 + ... + 500152088991.

It is an arithmetic number, because the mean of its divisors is an integer number (26007908622228).

Almost surely, 2^{103031330311031} is an apocalyptic number.

103031330311031 is a deficient number, since it is larger than the sum of its proper divisors (1000304177881).

103031330311031 is a wasteful number, since it uses less digits than its factorization.

103031330311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000304177880.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 103031330311031 its reverse (130113033130301), we get a palindrome (233144363441332).

The spelling of 103031330311031 in words is "one hundred three trillion, thirty-one billion, three hundred thirty million, three hundred eleven thousand, thirty-one".