Search a number
-
+
1013321031 = 31731952449
BaseRepresentation
bin111100011001100…
…000110101000111
32121121202001010120
4330121200311013
54033402233111
6244314553023
734053041502
oct7431406507
92547661116
101013321031
1147aaa20a8
12243438773
13131c22558
1498818139
155de63406
hex3c660d47

1013321031 has 8 divisors (see below), whose sum is σ = 1358905200. Its totient is φ = 671642112.

The previous prime is 1013321011. The next prime is 1013321033. The reversal of 1013321031 is 1301233101.

1013321031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1013321031 - 25 = 1013320999 is a prime.

It is a super-2 number, since 2×10133210312 = 2053639023733805922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013321031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013321033) 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, 975706 + ... + 976743.

It is an arithmetic number, because the mean of its divisors is an integer number (169863150).

Almost surely, 21013321031 is an apocalyptic number.

1013321031 is a deficient number, since it is larger than the sum of its proper divisors (345584169).

1013321031 is a wasteful number, since it uses less digits than its factorization.

1013321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952625.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1013321031 is about 31832.7037965675. The cubic root of 1013321031 is about 1004.4207716460.

Adding to 1013321031 its reverse (1301233101), we get a palindrome (2314554132).

The spelling of 1013321031 in words is "one billion, thirteen million, three hundred twenty-one thousand, thirty-one".

Divisors: 1 3 173 519 1952449 5857347 337773677 1013321031