20130131302 has 8 divisors (see below), whose sum is σ = 30837648096. Its totient is φ = 9850915272.

The previous prime is 20130131299. The next prime is 20130131303. The reversal of 20130131302 is 20313103102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130131303) 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, 107075073 + ... + 107075260.

It is an arithmetic number, because the mean of its divisors is an integer number (3854706012).

Almost surely, 2^20130131302 is an apocalyptic number.

20130131302 is a deficient number, since it is larger than the sum of its proper divisors (10707516794).

20130131302 is a wasteful number, since it uses less digits than its factorization.

20130131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214150382.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20130131302 its reverse (20313103102), we get a palindrome (40443234404).

The spelling of 20130131302 in words is "twenty billion, one hundred thirty million, one hundred thirty-one thousand, three hundred two".