131011123230 has 96 divisors (see below), whose sum is σ = 368732460096. Its totient is φ = 32081743872.

The previous prime is 131011123219. The next prime is 131011123249. The reversal of 131011123230 is 32321110131.

131011123230 is a `hidden beast` number, since 1 + 310 + 1 + 1 + 123 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64282 + ... + 515901.

It is an arithmetic number, because the mean of its divisors is an integer number (3840963126).

Almost surely, 2^131011123230 is an apocalyptic number.

131011123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131011123230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184366230048).

131011123230 is an abundant number, since it is smaller than the sum of its proper divisors (237721336866).

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

131011123230 is a wasteful number, since it uses less digits than its factorization.

131011123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580402 (or 580399 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131011123230 its reverse (32321110131), we get a palindrome (163332233361).

The spelling of 131011123230 in words is "one hundred thirty-one billion, eleven million, one hundred twenty-three thousand, two hundred thirty".