131231142322 has 48 divisors (see below), whose sum is σ = 236213238528. Its totient is φ = 54494082720.

The previous prime is 131231142319. The next prime is 131231142331. The reversal of 131231142322 is 223241132131.

It is a super-2 number, since 2×131231142322² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236703 + ... + 564349.

It is an arithmetic number, because the mean of its divisors is an integer number (4921109136).

Almost surely, 2^131231142322 is an apocalyptic number.

131231142322 is a deficient number, since it is larger than the sum of its proper divisors (104982096206).

131231142322 is a wasteful number, since it uses less digits than its factorization.

131231142322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327791 (or 327784 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 131231142322 its reverse (223241132131), we get a palindrome (354472274453).

The spelling of 131231142322 in words is "one hundred thirty-one billion, two hundred thirty-one million, one hundred forty-two thousand, three hundred twenty-two".