Search a number
-
+
1353130231 = 13768314461
BaseRepresentation
bin101000010100111…
…0010000011110111
310111022011010201111
41100221302003313
510232400131411
6342134135451
745350263045
oct12051620367
93438133644
101353130231
11634896852
123191b1587
1318744b09b
14cb9d1395
157dbd7721
hex50a720f7

1353130231 has 8 divisors (see below), whose sum is σ = 1365097104. Its totient is φ = 1341193920.

The previous prime is 1353130213. The next prime is 1353130237. The reversal of 1353130231 is 1320313531.

It is a happy number.

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 1353130231 - 215 = 1353097463 is a prime.

It is a super-2 number, since 2×13531302312 = 3661922844092226722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353130237) 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, 86341 + ... + 100801.

It is an arithmetic number, because the mean of its divisors is an integer number (170637138).

Almost surely, 21353130231 is an apocalyptic number.

1353130231 is a deficient number, since it is larger than the sum of its proper divisors (11966873).

1353130231 is a wasteful number, since it uses less digits than its factorization.

1353130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15281.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1353130231 is about 36784.9185264831. The cubic root of 1353130231 is about 1106.0630027864.

Adding to 1353130231 its reverse (1320313531), we get a palindrome (2673443762).

The spelling of 1353130231 in words is "one billion, three hundred fifty-three million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 137 683 14461 93571 1981157 9876863 1353130231