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2013325131 = 34180920233
BaseRepresentation
bin111100000000000…
…1110011101001011
312012022102111212110
41320000032131023
513110402401011
6531440313403
7100614660366
oct17000163513
95168374773
102013325131
11943518a74
12482312863
1326116155c
141515670dd
15bbb45ba6
hex7800e74b

2013325131 has 16 divisors (see below), whose sum is σ = 2753442720. Its totient is φ = 1307796480.

The previous prime is 2013325091. The next prime is 2013325169. The reversal of 2013325131 is 1315233102.

It is not a de Polignac number, because 2013325131 - 27 = 2013325003 is a prime.

It is a super-2 number, since 2×20133251312 = 8106956166232334322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2013325098 and 2013325107.

It is not an unprimeable number, because it can be changed into a prime (2013325331) 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, 89391 + ... + 109623.

It is an arithmetic number, because the mean of its divisors is an integer number (172090170).

Almost surely, 22013325131 is an apocalyptic number.

2013325131 is a deficient number, since it is larger than the sum of its proper divisors (740117589).

2013325131 is a wasteful number, since it uses less digits than its factorization.

2013325131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21086.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2013325131 is about 44870.0917204322. The cubic root of 2013325131 is about 1262.7129607881.

Adding to 2013325131 its reverse (1315233102), we get a palindrome (3328558233).

The spelling of 2013325131 in words is "two billion, thirteen million, three hundred twenty-five thousand, one hundred thirty-one".

Divisors: 1 3 41 123 809 2427 20233 33169 60699 99507 829553 2488659 16368497 49105491 671108377 2013325131