1355254231 has 8 divisors (see below), whose sum is σ = 1416805344. Its totient is φ = 1293922080.

The previous prime is 1355254217. The next prime is 1355254247. The reversal of 1355254231 is 1324525531.

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 1355254231 - 2¹¹ = 1355252183 is a prime.

It is a super-2 number, since 2×1355254231² = 3673428061286802722, 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 = 1355254193 and 1355254202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355252231) 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, 42016 + ... + 66901.

It is an arithmetic number, because the mean of its divisors is an integer number (177100668).

Almost surely, 2^1355254231 is an apocalyptic number.

1355254231 is a deficient number, since it is larger than the sum of its proper divisors (61551113).

1355254231 is a wasteful number, since it uses less digits than its factorization.

1355254231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109481.

The product of its digits is 18000, while the sum is 31.

The square root of 1355254231 is about 36813.7777333433. Note that the first 4 decimals coincide. The cubic root of 1355254231 is about 1106.6414269517.

Adding to 1355254231 its reverse (1324525531), we get a palindrome (2679779762).

The spelling of 1355254231 in words is "one billion, three hundred fifty-five million, two hundred fifty-four thousand, two hundred thirty-one".