Search a number
-
+
2103020331 = 32114098123
BaseRepresentation
bin111110101011001…
…1000101100101011
312102120012111112220
41331112120230223
513301333122311
6544403005123
7103054243416
oct17526305453
95376174486
102103020331
1198a111335
124a83697a3
13276907839
1415d434b7d
15c4962206
hex7d598b2b

2103020331 has 16 divisors (see below), whose sum is σ = 2824552320. Its totient is φ = 1391785920.

The previous prime is 2103020327. The next prime is 2103020371. The reversal of 2103020331 is 1330203012.

It is not a de Polignac number, because 2103020331 - 22 = 2103020327 is a prime.

It is a super-3 number, since 3×21030203313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2103020331.

It is not an unprimeable number, because it can be changed into a prime (2103020371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254836 + ... + 262958.

It is an arithmetic number, because the mean of its divisors is an integer number (176534520).

Almost surely, 22103020331 is an apocalyptic number.

2103020331 is a deficient number, since it is larger than the sum of its proper divisors (721531989).

2103020331 is a wasteful number, since it uses less digits than its factorization.

2103020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8746.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2103020331 is about 45858.6996217730. The cubic root of 2103020331 is about 1281.1928031068.

Adding to 2103020331 its reverse (1330203012), we get a palindrome (3433223343).

The spelling of 2103020331 in words is "two billion, one hundred three million, twenty thousand, three hundred thirty-one".

Divisors: 1 3 211 409 633 1227 8123 24369 86299 258897 1713953 3322307 5141859 9966921 701006777 2103020331