53310631020403 has 4 divisors (see below), whose sum is σ = 53330471228160. Its totient is φ = 53290790812648.

The previous prime is 53310631020389. The next prime is 53310631020433. The reversal of 53310631020403 is 30402013601335.

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 53310631020403 - 2¹⁷ = 53310630889331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53310631020433) 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, 9920099848 + ... + 9920105221.

It is an arithmetic number, because the mean of its divisors is an integer number (13332617807040).

Almost surely, 2^{53310631020403} is an apocalyptic number.

53310631020403 is a deficient number, since it is larger than the sum of its proper divisors (19840207757).

53310631020403 is a wasteful number, since it uses less digits than its factorization.

53310631020403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19840207756.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 53310631020403 its reverse (30402013601335), we get a palindrome (83712644621738).

The spelling of 53310631020403 in words is "fifty-three trillion, three hundred ten billion, six hundred thirty-one million, twenty thousand, four hundred three".