20312343035461 has 8 divisors (see below), whose sum is σ = 20340224108640. Its totient is φ = 20284463030832.

The previous prime is 20312343035443. The next prime is 20312343035483. The reversal of 20312343035461 is 16453034321302.

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 not a de Polignac number, because 20312343035461 - 2¹⁹ = 20312342511173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20312343035461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312343035161) 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, 42456366 + ... + 42932128.

It is an arithmetic number, because the mean of its divisors is an integer number (2542528013580).

Almost surely, 2^{20312343035461} is an apocalyptic number.

It is an amenable number.

20312343035461 is a deficient number, since it is larger than the sum of its proper divisors (27881073179).

20312343035461 is an equidigital number, since it uses as much as digits as its factorization.

20312343035461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534275.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 20312343035461 its reverse (16453034321302), we get a palindrome (36765377356763).

The spelling of 20312343035461 in words is "twenty trillion, three hundred twelve billion, three hundred forty-three million, thirty-five thousand, four hundred sixty-one".