3103121023331 has 4 divisors (see below), whose sum is σ = 3546424026672. Its totient is φ = 2659818019992.

The previous prime is 3103121023319. The next prime is 3103121023369. The reversal of 3103121023331 is 1333201213013.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3103121023331 - 2¹⁸ = 3103120761187 is a prime.

It is a super-2 number, since 2×3103121023331² (a number of 26 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 = 3103121023297 and 3103121023306.

It is not an unprimeable number, because it can be changed into a prime (3103121023531) 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, 221651501660 + ... + 221651501673.

It is an arithmetic number, because the mean of its divisors is an integer number (886606006668).

Almost surely, 2^{3103121023331} is an apocalyptic number.

3103121023331 is a deficient number, since it is larger than the sum of its proper divisors (443303003341).

3103121023331 is an equidigital number, since it uses as much as digits as its factorization.

3103121023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443303003340.

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

Adding to 3103121023331 its reverse (1333201213013), we get a palindrome (4436322236344).

The spelling of 3103121023331 in words is "three trillion, one hundred three billion, one hundred twenty-one million, twenty-three thousand, three hundred thirty-one".