131231022322 has 32 divisors (see below), whose sum is σ = 203093339904. Its totient is φ = 63557836800.

The previous prime is 131231022313. The next prime is 131231022359. The reversal of 131231022322 is 223220132131.

It is a junction number, because it is equal to n+sod(n) for n = 131231022293 and 131231022302.

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, 6544003 + ... + 6564025.

It is an arithmetic number, because the mean of its divisors is an integer number (6346666872).

Almost surely, 2^131231022322 is an apocalyptic number.

131231022322 is a deficient number, since it is larger than the sum of its proper divisors (71862317582).

131231022322 is a wasteful number, since it uses less digits than its factorization.

131231022322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20634.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131231022322 its reverse (223220132131), we get a palindrome (354451154453).

The spelling of 131231022322 in words is "one hundred thirty-one billion, two hundred thirty-one million, twenty-two thousand, three hundred twenty-two".