1353205231 has 8 divisors (see below), whose sum is σ = 1569603200. Its totient is φ = 1142578008.

The previous prime is 1353205229. The next prime is 1353205267. The reversal of 1353205231 is 1325023531.

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 1353205231 - 2¹ = 1353205229 is a prime.

It is a super-2 number, since 2×1353205231² = 3662328794411526722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1353205196 and 1353205205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353205291) 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, 1442181 + ... + 1443118.

It is an arithmetic number, because the mean of its divisors is an integer number (196200400).

Almost surely, 2^1353205231 is an apocalyptic number.

1353205231 is a deficient number, since it is larger than the sum of its proper divisors (216397969).

1353205231 is an equidigital number, since it uses as much as digits as its factorization.

1353205231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885373.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1353205231 is about 36785.9379518859. The cubic root of 1353205231 is about 1106.0834376741.

Adding to 1353205231 its reverse (1325023531), we get a palindrome (2678228762).

The spelling of 1353205231 in words is "one billion, three hundred fifty-three million, two hundred five thousand, two hundred thirty-one".