103020201111031 has 4 divisors (see below), whose sum is σ = 108442316959000. Its totient is φ = 97598085263064.

The previous prime is 103020201111019. The next prime is 103020201111133. The reversal of 103020201111031 is 130111102020301.

It is a happy number.

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 103020201111031 - 2¹³ = 103020201102839 is a prime.

It is a super-2 number, since 2×103020201111031² (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 = 103020201110996 and 103020201111014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103020201111731) 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, 2711057923956 + ... + 2711057923993.

It is an arithmetic number, because the mean of its divisors is an integer number (27110579239750).

Almost surely, 2^{103020201111031} is an apocalyptic number.

103020201111031 is a deficient number, since it is larger than the sum of its proper divisors (5422115847969).

103020201111031 is an equidigital number, since it uses as much as digits as its factorization.

103020201111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422115847968.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 103020201111031 its reverse (130111102020301), we get a palindrome (233131303131332).

The spelling of 103020201111031 in words is "one hundred three trillion, twenty billion, two hundred one million, one hundred eleven thousand, thirty-one".