20301415231 has 4 divisors (see below), whose sum is σ = 20317141864. Its totient is φ = 20285688600.

The previous prime is 20301415223. The next prime is 20301415237. The reversal of 20301415231 is 13251410302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20301415231 - 2³ = 20301415223 is a prime.

It is a super-2 number, since 2×20301415231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301415237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7861380 + ... + 7863961.

It is an arithmetic number, because the mean of its divisors is an integer number (5079285466).

Almost surely, 2^20301415231 is an apocalyptic number.

20301415231 is a deficient number, since it is larger than the sum of its proper divisors (15726633).

20301415231 is a wasteful number, since it uses less digits than its factorization.

20301415231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15726632.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 20301415231 its reverse (13251410302), we get a palindrome (33552825533).

The spelling of 20301415231 in words is "twenty billion, three hundred one million, four hundred fifteen thousand, two hundred thirty-one".