3103203012331 has 6 divisors (see below), whose sum is σ = 3142981297932. Its totient is φ = 3063921955380.

The previous prime is 3103203012319. The next prime is 3103203012337. The reversal of 3103203012331 is 1332103023013.

It is a de Polignac number, because none of the positive numbers 2^k-3103203012331 is a prime.

It is a super-2 number, since 2×3103203012331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3103203012337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248608005 + ... + 248620486.

It is an arithmetic number, because the mean of its divisors is an integer number (523830216322).

Almost surely, 2^{3103203012331} is an apocalyptic number.

3103203012331 is a deficient number, since it is larger than the sum of its proper divisors (39778285601).

3103203012331 is an frugal number, since it uses more digits than its factorization.

3103203012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497228649 (or 497228570 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 3103203012331 its reverse (1332103023013), we get a palindrome (4435306035344).

The spelling of 3103203012331 in words is "three trillion, one hundred three billion, two hundred three million, twelve thousand, three hundred thirty-one".