Search a number
-
+
1030321331 = 13599132313
BaseRepresentation
bin111101011010010…
…111010010110011
32122210201202011022
4331122113102303
54102230240311
6250123210055
734350405164
oct7532272263
92583652138
101030321331
11489653736
1224907692b
131355c54c0
149aba176b
15606c05db
hex3d6974b3

1030321331 has 8 divisors (see below), whose sum is σ = 1111437600. Its totient is φ = 949470912.

The previous prime is 1030321321. The next prime is 1030321337. The reversal of 1030321331 is 1331230301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1030321331 is a prime.

It is a super-2 number, since 2×10303213312 = 2123124090227223122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030321337) 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, 58370 + ... + 73943.

It is an arithmetic number, because the mean of its divisors is an integer number (138929700).

Almost surely, 21030321331 is an apocalyptic number.

1030321331 is a deficient number, since it is larger than the sum of its proper divisors (81116269).

1030321331 is a wasteful number, since it uses less digits than its factorization.

1030321331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132925.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1030321331 is about 32098.6188332146. The cubic root of 1030321331 is about 1010.0066434226.

Adding to 1030321331 its reverse (1331230301), we get a palindrome (2361551632).

The spelling of 1030321331 in words is "one billion, thirty million, three hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 13 599 7787 132313 1720069 79255487 1030321331