23311131103 has 48 divisors (see below), whose sum is σ = 27959472000. Its totient is φ = 19344334464.

The previous prime is 23311131079. The next prime is 23311131169. The reversal of 23311131103 is 30113111332.

It is not a de Polignac number, because 23311131103 - 2¹³ = 23311122911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311131703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5491900 + ... + 5496142.

It is an arithmetic number, because the mean of its divisors is an integer number (582489000).

Almost surely, 2^23311131103 is an apocalyptic number.

23311131103 is a deficient number, since it is larger than the sum of its proper divisors (4648340897).

23311131103 is a wasteful number, since it uses less digits than its factorization.

23311131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376 (or 4363 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 23311131103 its reverse (30113111332), we get a palindrome (53424242435).

The spelling of 23311131103 in words is "twenty-three billion, three hundred eleven million, one hundred thirty-one thousand, one hundred three".