131331123230 has 32 divisors (see below), whose sum is σ = 253827069120. Its totient is φ = 48745930240.

The previous prime is 131331123223. The next prime is 131331123263. The reversal of 131331123230 is 32321133131.

It is a junction number, because it is equal to n+sod(n) for n = 131331123196 and 131331123205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5428325 + ... + 5452464.

It is an arithmetic number, because the mean of its divisors is an integer number (7932095910).

Almost surely, 2^131331123230 is an apocalyptic number.

131331123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131331123230 is a deficient number, since it is larger than the sum of its proper divisors (122495945890).

131331123230 is a wasteful number, since it uses less digits than its factorization.

131331123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880884.

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

Adding to 131331123230 its reverse (32321133131), we get a palindrome (163652256361).

Subtracting from 131331123230 its reverse (32321133131), we obtain a palindrome (99009990099).

The spelling of 131331123230 in words is "one hundred thirty-one billion, three hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty".