103421020331 has 4 divisors (see below), whose sum is σ = 103421890992. Its totient is φ = 103420149672.

The previous prime is 103421020321. The next prime is 103421020363. The reversal of 103421020331 is 133020124301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133020124301 = 28759 ⋅4625339.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103421020331 is a prime.

It is a super-2 number, since 2×103421020331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103421020321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222455 + ... + 506288.

It is an arithmetic number, because the mean of its divisors is an integer number (25855472748).

Almost surely, 2^103421020331 is an apocalyptic number.

103421020331 is a deficient number, since it is larger than the sum of its proper divisors (870661).

103421020331 is an equidigital number, since it uses as much as digits as its factorization.

103421020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870660.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103421020331 its reverse (133020124301), we get a palindrome (236441144632).

The spelling of 103421020331 in words is "one hundred three billion, four hundred twenty-one million, twenty thousand, three hundred thirty-one".