131122231030 has 32 divisors (see below), whose sum is σ = 276010124544. Its totient is φ = 43910699616.

The previous prime is 131122231013. The next prime is 131122231067. The reversal of 131122231030 is 30132221131.

It is a junction number, because it is equal to n+sod(n) for n = 131122230989 and 131122231007.

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, 21778092 + ... + 21784111.

It is an arithmetic number, because the mean of its divisors is an integer number (8625316392).

Almost surely, 2^131122231030 is an apocalyptic number.

131122231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131122231030 is an abundant number, since it is smaller than the sum of its proper divisors (144887893514).

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

131122231030 is a wasteful number, since it uses less digits than its factorization.

131122231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43562260.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131122231030 its reverse (30132221131), we get a palindrome (161254452161).

The spelling of 131122231030 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-one thousand, thirty".