3120103231 has 4 divisors (see below), whose sum is σ = 3565832272. Its totient is φ = 2674374192.

The previous prime is 3120103219. The next prime is 3120103237. The reversal of 3120103231 is 1323010213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1323010213 = 7 ⋅189001459.

It is not a de Polignac number, because 3120103231 - 2¹⁵ = 3120070463 is a prime.

It is a super-3 number, since 3×3120103231³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120103237) 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, 222864510 + ... + 222864523.

It is an arithmetic number, because the mean of its divisors is an integer number (891458068).

Almost surely, 2^3120103231 is an apocalyptic number.

3120103231 is a deficient number, since it is larger than the sum of its proper divisors (445729041).

3120103231 is an equidigital number, since it uses as much as digits as its factorization.

3120103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445729040.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3120103231 is about 55857.8842331143. The cubic root of 3120103231 is about 1461.2448304576.

Adding to 3120103231 its reverse (1323010213), we get a palindrome (4443113444).

The spelling of 3120103231 in words is "three billion, one hundred twenty million, one hundred three thousand, two hundred thirty-one".