131402230323422 has 16 divisors (see below), whose sum is σ = 197232035277312. Its totient is φ = 65658219935640.

The previous prime is 131402230323367. The next prime is 131402230323439. The reversal of 131402230323422 is 224323032204131.

It is a super-2 number, since 2×131402230323422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212930003 + ... + 213546225.

It is an arithmetic number, because the mean of its divisors is an integer number (12327002204832).

Almost surely, 2^{131402230323422} is an apocalyptic number.

131402230323422 is a deficient number, since it is larger than the sum of its proper divisors (65829804953890).

131402230323422 is a wasteful number, since it uses less digits than its factorization.

131402230323422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685663.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 131402230323422 its reverse (224323032204131), we get a palindrome (355725262527553).

The spelling of 131402230323422 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred thirty million, three hundred twenty-three thousand, four hundred twenty-two".