20303001431 has 8 divisors (see below), whose sum is σ = 20577208320. Its totient is φ = 20030581368.

The previous prime is 20303001419. The next prime is 20303001469. The reversal of 20303001431 is 13410030302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20303001431 is a prime.

It is a super-2 number, since 2×20303001431² (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 (20303001731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423821 + ... + 469286.

It is an arithmetic number, because the mean of its divisors is an integer number (2572151040).

Almost surely, 2^20303001431 is an apocalyptic number.

20303001431 is a deficient number, since it is larger than the sum of its proper divisors (274206889).

20303001431 is a wasteful number, since it uses less digits than its factorization.

20303001431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893413.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20303001431 its reverse (13410030302), we get a palindrome (33713031733).

The spelling of 20303001431 in words is "twenty billion, three hundred three million, one thousand, four hundred thirty-one".