20130231463 has 8 divisors (see below), whose sum is σ = 20206648800. Its totient is φ = 20053941408.

The previous prime is 20130231461. The next prime is 20130231481. The reversal of 20130231463 is 36413203102.

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 20130231463 - 2¹ = 20130231461 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 (20130231461) 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, 291270 + ... + 353692.

It is an arithmetic number, because the mean of its divisors is an integer number (2525831100).

Almost surely, 2^20130231463 is an apocalyptic number.

20130231463 is a deficient number, since it is larger than the sum of its proper divisors (76417337).

20130231463 is an equidigital number, since it uses as much as digits as its factorization.

20130231463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63641.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20130231463 its reverse (36413203102), we get a palindrome (56543434565).

The spelling of 20130231463 in words is "twenty billion, one hundred thirty million, two hundred thirty-one thousand, four hundred sixty-three".