20312312141 has 8 divisors (see below), whose sum is σ = 22174366464. Its totient is φ = 18452837920.

The previous prime is 20312312117. The next prime is 20312312149. The reversal of 20312312141 is 14121321302.

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

It is a de Polignac number, because none of the positive numbers 2^k-20312312141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312312149) 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, 628541 + ... + 660066.

It is an arithmetic number, because the mean of its divisors is an integer number (2771795808).

Almost surely, 2^20312312141 is an apocalyptic number.

It is an amenable number.

20312312141 is a deficient number, since it is larger than the sum of its proper divisors (1862054323).

20312312141 is a wasteful number, since it uses less digits than its factorization.

20312312141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290051.

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

Adding to 20312312141 its reverse (14121321302), we get a palindrome (34433633443).

The spelling of 20312312141 in words is "twenty billion, three hundred twelve million, three hundred twelve thousand, one hundred forty-one".