103321121031031 has 4 divisors (see below), whose sum is σ = 103322117606032. Its totient is φ = 103320124456032.

The previous prime is 103321121030947. The next prime is 103321121031043. The reversal of 103321121031031 is 130130121123301.

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 103321121031031 - 2¹⁹ = 103321120506743 is a prime.

It is a super-2 number, since 2×103321121031031² (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 = 103321121030993 and 103321121031011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103321121031091) 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, 498131970 + ... + 498339343.

It is an arithmetic number, because the mean of its divisors is an integer number (25830529401508).

Almost surely, 2^{103321121031031} is an apocalyptic number.

103321121031031 is a deficient number, since it is larger than the sum of its proper divisors (996575001).

103321121031031 is an equidigital number, since it uses as much as digits as its factorization.

103321121031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996575000.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 103321121031031 its reverse (130130121123301), we get a palindrome (233451242154332).

The spelling of 103321121031031 in words is "one hundred three trillion, three hundred twenty-one billion, one hundred twenty-one million, thirty-one thousand, thirty-one".