20234210331 has 4 divisors (see below), whose sum is σ = 26978947112. Its totient is φ = 13489473552.

The previous prime is 20234210329. The next prime is 20234210369. The reversal of 20234210331 is 13301243202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20234210331 - 2¹ = 20234210329 is a prime.

It is a super-2 number, since 2×20234210331² (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 = 20234210298 and 20234210307.

It is not an unprimeable number, because it can be changed into a prime (20234211331) 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, 3372368386 + ... + 3372368391.

It is an arithmetic number, because the mean of its divisors is an integer number (6744736778).

Almost surely, 2^20234210331 is an apocalyptic number.

20234210331 is a deficient number, since it is larger than the sum of its proper divisors (6744736781).

20234210331 is an equidigital number, since it uses as much as digits as its factorization.

20234210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744736780.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20234210331 its reverse (13301243202), we get a palindrome (33535453533).

The spelling of 20234210331 in words is "twenty billion, two hundred thirty-four million, two hundred ten thousand, three hundred thirty-one".