20313023331 has 8 divisors (see below), whose sum is σ = 27092542144. Its totient is φ = 13537760040.

The previous prime is 20313023317. The next prime is 20313023431. The reversal of 20313023331 is 13332031302.

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

It is not a de Polignac number, because 20313023331 - 2¹⁴ = 20313006947 is a prime.

It is a super-2 number, since 2×20313023331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20313023298 and 20313023307.

It is not an unprimeable number, because it can be changed into a prime (20313023431) 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, 1052725 + ... + 1071846.

It is an arithmetic number, because the mean of its divisors is an integer number (3386567768).

Almost surely, 2^20313023331 is an apocalyptic number.

20313023331 is a deficient number, since it is larger than the sum of its proper divisors (6779518813).

20313023331 is a wasteful number, since it uses less digits than its factorization.

20313023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127761.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20313023331 its reverse (13332031302), we get a palindrome (33645054633).

The spelling of 20313023331 in words is "twenty billion, three hundred thirteen million, twenty-three thousand, three hundred thirty-one".