Search a number
-
+
1357011431 = 2322565239
BaseRepresentation
bin101000011100010…
…0101100111100111
310111120110022201122
41100320211213213
510234343331211
6342353244155
745425256356
oct12070454747
93446408648
101357011431
11636aa7856
1231a56365b
131881a9859
14cc32199d
157e2026db
hex50e259e7

1357011431 has 6 divisors (see below), whose sum is σ = 1418577720. Its totient is φ = 1298010428.

The previous prime is 1357011421. The next prime is 1357011433. The reversal of 1357011431 is 1341107531.

It is not a de Polignac number, because 1357011431 - 214 = 1356995047 is a prime.

It is a super-2 number, since 2×13570114312 = 3682960047729335522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1357011431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357011433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1282091 + ... + 1283148.

It is an arithmetic number, because the mean of its divisors is an integer number (236429620).

Almost surely, 21357011431 is an apocalyptic number.

1357011431 is a deficient number, since it is larger than the sum of its proper divisors (61566289).

1357011431 is an equidigital number, since it uses as much as digits as its factorization.

1357011431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565285 (or 2565262 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1357011431 is about 36837.6360669357. The cubic root of 1357011431 is about 1107.1195046523.

Adding to 1357011431 its reverse (1341107531), we get a palindrome (2698118962).

The spelling of 1357011431 in words is "one billion, three hundred fifty-seven million, eleven thousand, four hundred thirty-one".

Divisors: 1 23 529 2565239 59000497 1357011431