20311410143 has 8 divisors (see below), whose sum is σ = 20351126016. Its totient is φ = 20271735000.

The previous prime is 20311410139. The next prime is 20311410179. The reversal of 20311410143 is 34101411302.

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

It is a cyclic number.

It is not a de Polignac number, because 20311410143 - 2² = 20311410139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20317410143) 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, 1103768 + ... + 1122018.

It is an arithmetic number, because the mean of its divisors is an integer number (2543890752).

Almost surely, 2^20311410143 is an apocalyptic number.

20311410143 is a deficient number, since it is larger than the sum of its proper divisors (39715873).

20311410143 is a wasteful number, since it uses less digits than its factorization.

20311410143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20365.

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

Adding to 20311410143 its reverse (34101411302), we get a palindrome (54412821445).

The spelling of 20311410143 in words is "twenty billion, three hundred eleven million, four hundred ten thousand, one hundred forty-three".