2311313032103 has 8 divisors (see below), whose sum is σ = 2457310657248. Its totient is φ = 2169107553184.

The previous prime is 2311313032087. The next prime is 2311313032111. The reversal of 2311313032103 is 3012303131132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2311313032103 - 2⁴ = 2311313032087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311313032163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948035300 + ... + 948037737.

It is an arithmetic number, because the mean of its divisors is an integer number (307163832156).

Almost surely, 2^{2311313032103} is an apocalyptic number.

2311313032103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2311313032103 is a deficient number, since it is larger than the sum of its proper divisors (145997625145).

2311313032103 is a wasteful number, since it uses less digits than its factorization.

2311313032103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896073113.

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

Adding to 2311313032103 its reverse (3012303131132), we get a palindrome (5323616163235).

The spelling of 2311313032103 in words is "two trillion, three hundred eleven billion, three hundred thirteen million, thirty-two thousand, one hundred three".