131144322 has 64 divisors (see below), whose sum is σ = 287400960. Its totient is φ = 39782400.

The previous prime is 131144311. The next prime is 131144323. The reversal of 131144322 is 223441131.

It is not an unprimeable number, because it can be changed into a prime (131144323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220858 + ... + 221450.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^131144322 is an apocalyptic number.

131144322 is an abundant number, since it is smaller than the sum of its proper divisors (156256638).

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

131144322 is a wasteful number, since it uses less digits than its factorization.

131144322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its digits is 576, while the sum is 21.

The square root of 131144322 is about 11451.8261425853. The cubic root of 131144322 is about 508.0617472012.

Adding to 131144322 its reverse (223441131), we get a palindrome (354585453).

It can be divided in two parts, 131 and 144322, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 131144322 in words is "one hundred thirty-one million, one hundred forty-four thousand, three hundred twenty-two".