20301213232131 has 32 divisors (see below), whose sum is σ = 29399980549632. Its totient is φ = 12386567208960.

The previous prime is 20301213232129. The next prime is 20301213232301. The reversal of 20301213232131 is 13123231210302.

It is not a de Polignac number, because 20301213232131 - 2¹ = 20301213232129 is a prime.

It is a super-2 number, since 2×20301213232131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20301213232331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2525950 + ... + 6854403.

It is an arithmetic number, because the mean of its divisors is an integer number (918749392176).

Almost surely, 2^{20301213232131} is an apocalyptic number.

20301213232131 is a deficient number, since it is larger than the sum of its proper divisors (9098767317501).

20301213232131 is a wasteful number, since it uses less digits than its factorization.

20301213232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380843.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20301213232131 its reverse (13123231210302), we get a palindrome (33424444442433).

The spelling of 20301213232131 in words is "twenty trillion, three hundred one billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred thirty-one".