131222304232004 has 12 divisors (see below), whose sum is σ = 229906989275964. Its totient is φ = 65534593010304.

The previous prime is 131222304231853. The next prime is 131222304232043. The reversal of 131222304232004 is 400232403222131.

It can be written as a sum of positive squares in 2 ways, for example, as 87074279449600 + 44148024782404 = 9331360^2 + 6644398^2 .

It is a super-2 number, since 2×131222304232004² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19139772569 + ... + 19139779424.

It is an arithmetic number, because the mean of its divisors is an integer number (19158915772997).

Almost surely, 2^{131222304232004} is an apocalyptic number.

It is an amenable number.

131222304232004 is a deficient number, since it is larger than the sum of its proper divisors (98684685043960).

131222304232004 is a wasteful number, since it uses less digits than its factorization.

131222304232004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38279552854 (or 38279552852 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 131222304232004 its reverse (400232403222131), we get a palindrome (531454707454135).

The spelling of 131222304232004 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred four million, two hundred thirty-two thousand, four".