1103131020031 has 8 divisors (see below), whose sum is σ = 1109455332480. Its totient is φ = 1096812982272.

The previous prime is 1103131019993. The next prime is 1103131020037. The reversal of 1103131020031 is 1300201313011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103131020031 - 2¹³ = 1103131011839 is a prime.

It is a super-2 number, since 2×1103131020031² (a number of 25 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 = 1103131019987 and 1103131020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103131020037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215826 + ... + 1919503.

It is an arithmetic number, because the mean of its divisors is an integer number (138681916560).

Almost surely, 2^{1103131020031} is an apocalyptic number.

1103131020031 is a deficient number, since it is larger than the sum of its proper divisors (6324312449).

1103131020031 is a wasteful number, since it uses less digits than its factorization.

1103131020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137345.

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

Adding to 1103131020031 its reverse (1300201313011), we get a palindrome (2403332333042).

The spelling of 1103131020031 in words is "one trillion, one hundred three billion, one hundred thirty-one million, twenty thousand, thirty-one".