13131001020422 has 32 divisors (see below), whose sum is σ = 20317483929600. Its totient is φ = 6361165198080.

The previous prime is 13131001020421. The next prime is 13131001020433. The reversal of 13131001020422 is 22402010013131.

It is a super-2 number, since 2×13131001020422² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13131001020394 and 13131001020403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131001020421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4666079 + ... + 6930677.

It is an arithmetic number, because the mean of its divisors is an integer number (634921372800).

Almost surely, 2^{13131001020422} is an apocalyptic number.

13131001020422 is a deficient number, since it is larger than the sum of its proper divisors (7186482909178).

13131001020422 is a wasteful number, since it uses less digits than its factorization.

13131001020422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265188.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13131001020422 its reverse (22402010013131), we get a palindrome (35533011033553).

The spelling of 13131001020422 in words is "thirteen trillion, one hundred thirty-one billion, one million, twenty thousand, four hundred twenty-two".