20231351 has 8 divisors (see below), whose sum is σ = 23166240. Its totient is φ = 17307648.

The previous prime is 20231339. The next prime is 20231359. The reversal of 20231351 is 15313202.

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 20231351 - 2⁶ = 20231287 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 (20231359) 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, 1535 + ... + 6543.

It is an arithmetic number, because the mean of its divisors is an integer number (2895780).

Almost surely, 2^20231351 is an apocalyptic number.

20231351 is a deficient number, since it is larger than the sum of its proper divisors (2934889).

20231351 is an equidigital number, since it uses as much as digits as its factorization.

20231351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 20231351 is about 4497.9274115975. The cubic root of 20231351 is about 272.4843904309.

Adding to 20231351 its reverse (15313202), we get a palindrome (35544553).

The spelling of 20231351 in words is "twenty million, two hundred thirty-one thousand, three hundred fifty-one".