20301211431 has 12 divisors (see below), whose sum is σ = 29487795480. Its totient is φ = 13458530160.

The previous prime is 20301211429. The next prime is 20301211433. The reversal of 20301211431 is 13411210302.

20301211431 is a `hidden beast` number, since 20 + 3 + 0 + 1 + 211 + 431 = 666.

It is an interprime number because it is at equal distance from previous prime (20301211429) and next prime (20301211433).

It is not a de Polignac number, because 20301211431 - 2¹ = 20301211429 is a prime.

It is a super-2 number, since 2×20301211431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301211433) 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 11 ways as a sum of consecutive naturals, for example, 6299200 + ... + 6302421.

It is an arithmetic number, because the mean of its divisors is an integer number (2457316290).

Almost surely, 2^20301211431 is an apocalyptic number.

20301211431 is a deficient number, since it is larger than the sum of its proper divisors (9186584049).

20301211431 is a wasteful number, since it uses less digits than its factorization.

20301211431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12601806 (or 12601803 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20301211431 its reverse (13411210302), we get a palindrome (33712421733).

The spelling of 20301211431 in words is "twenty billion, three hundred one million, two hundred eleven thousand, four hundred thirty-one".