23103131000 has 128 divisors (see below), whose sum is σ = 55735767360. Its totient is φ = 8957952000.

The previous prime is 23103130987. The next prime is 23103131003. The reversal of 23103131000 is 13130132.

It is a super-2 number, since 2×23103131000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103131003) 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 31 ways as a sum of consecutive naturals, for example, 6681272 + ... + 6684728.

Almost surely, 2^23103131000 is an apocalyptic number.

23103131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23103131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27867883680).

23103131000 is an abundant number, since it is smaller than the sum of its proper divisors (32632636360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23103131000 is a wasteful number, since it uses less digits than its factorization.

23103131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 23103131000 its reverse (13130132), we get a palindrome (23116261132).

The spelling of 23103131000 in words is "twenty-three billion, one hundred three million, one hundred thirty-one thousand".