103003233131021 has 4 divisors (see below), whose sum is σ = 103003573702944. Its totient is φ = 103002892559100.

The previous prime is 103003233131009. The next prime is 103003233131083. The reversal of 103003233131021 is 120131332300301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103003233131021 - 2⁶ = 103003233130957 is a prime.

It is a super-4 number, since 4×103003233131021⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103003233131521) 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, 169831895 + ... + 170437316.

It is an arithmetic number, because the mean of its divisors is an integer number (25750893425736).

Almost surely, 2^{103003233131021} is an apocalyptic number.

It is an amenable number.

103003233131021 is a deficient number, since it is larger than the sum of its proper divisors (340571923).

103003233131021 is an equidigital number, since it uses as much as digits as its factorization.

103003233131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340571922.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 103003233131021 its reverse (120131332300301), we get a palindrome (223134565431322).

The spelling of 103003233131021 in words is "one hundred three trillion, three billion, two hundred thirty-three million, one hundred thirty-one thousand, twenty-one".