131020231032222 has 32 divisors (see below), whose sum is σ = 299476511235072. Its totient is φ = 37434139542624.

The previous prime is 131020231032179. The next prime is 131020231032307. The reversal of 131020231032222 is 222230132020131.

It is a junction number, because it is equal to n+sod(n) for n = 131020231032192 and 131020231032201.

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, 1266393 + ... + 16237124.

It is an arithmetic number, because the mean of its divisors is an integer number (9358640976096).

Almost surely, 2^{131020231032222} is an apocalyptic number.

131020231032222 is an abundant number, since it is smaller than the sum of its proper divisors (168456280202850).

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

131020231032222 is a wasteful number, since it uses less digits than its factorization.

131020231032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17681752.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131020231032222 its reverse (222230132020131), we get a palindrome (353250363052353).

The spelling of 131020231032222 in words is "one hundred thirty-one trillion, twenty billion, two hundred thirty-one million, thirty-two thousand, two hundred twenty-two".