3103111322031 has 16 divisors (see below), whose sum is σ = 4817768523264. Its totient is φ = 1739749743264.

The previous prime is 3103111321993. The next prime is 3103111322033. The reversal of 3103111322031 is 1302231113013.

It is a happy number.

It is not a de Polignac number, because 3103111322031 - 2³⁰ = 3102037580207 is a prime.

It is a super-2 number, since 2×3103111322031² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3103111321989 and 3103111322007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103111322033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394029131 + ... + 1394031356.

It is an arithmetic number, because the mean of its divisors is an integer number (301110532704).

Almost surely, 2^{3103111322031} is an apocalyptic number.

3103111322031 is a deficient number, since it is larger than the sum of its proper divisors (1714657201233).

3103111322031 is a wasteful number, since it uses less digits than its factorization.

3103111322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788060550.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3103111322031 its reverse (1302231113013), we get a palindrome (4405342435044).

The spelling of 3103111322031 in words is "three trillion, one hundred three billion, one hundred eleven million, three hundred twenty-two thousand, thirty-one".