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5101531131 = 316398310613
BaseRepresentation
bin1001100000001001…
…10010111111111011
3111011112102122002110
410300010302333323
540421442444011
62202115303403
7240264204414
oct46004627773
914145378073
105101531131
112188754934
12ba45aab63
13633bba298
1436577080b
151ecd0eba6
hex130132ffb

5101531131 has 16 divisors (see below), whose sum is σ = 6851379456. Its totient is φ = 3376398816.

The previous prime is 5101531081. The next prime is 5101531133. The reversal of 5101531131 is 1311351015.

It is not a de Polignac number, because 5101531131 - 29 = 5101530619 is a prime.

It is a super-2 number, since 2×51015311312 = 52051239761124278322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5101531098 and 5101531107.

It is not an unprimeable number, because it can be changed into a prime (5101531133) 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, 475381 + ... + 485993.

It is an arithmetic number, because the mean of its divisors is an integer number (428211216).

Almost surely, 25101531131 is an apocalyptic number.

5101531131 is a deficient number, since it is larger than the sum of its proper divisors (1749848325).

5101531131 is a wasteful number, since it uses less digits than its factorization.

5101531131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11762.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 5101531131 is about 71425.0035421770. The cubic root of 5101531131 is about 1721.4728607940.

Adding to 5101531131 its reverse (1311351015), we get a palindrome (6412882146).

The spelling of 5101531131 in words is "five billion, one hundred one million, five hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 163 489 983 2949 10613 31839 160229 480687 1729919 5189757 10432579 31297737 1700510377 5101531131