20130322031 has 2 divisors, whose sum is σ = 20130322032. Its totient is φ = 20130322030.

The previous prime is 20130322007. The next prime is 20130322061. The reversal of 20130322031 is 13022303102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20130322031 - 2¹⁴ = 20130305647 is a prime.

It is a super-2 number, since 2×20130322031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130322061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065161015 + 10065161016.

It is an arithmetic number, because the mean of its divisors is an integer number (10065161016).

Almost surely, 2^20130322031 is an apocalyptic number.

20130322031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130322031 is an equidigital number, since it uses as much as digits as its factorization.

20130322031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20130322031 its reverse (13022303102), we get a palindrome (33152625133).

The spelling of 20130322031 in words is "twenty billion, one hundred thirty million, three hundred twenty-two thousand, thirty-one".