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2531136841 is a prime number
BaseRepresentation
bin1001011011011110…
…0001010101001001
320112101210001222221
42112313201111021
520140432334331
61055055014041
7116503210462
oct22667412511
96471701887
102531136841
111089840632
125a780a321
13314511a0c
141a0237d69
15ec32b711
hex96de1549

2531136841 has 2 divisors, whose sum is σ = 2531136842. Its totient is φ = 2531136840.

The previous prime is 2531136823. The next prime is 2531136857. The reversal of 2531136841 is 1486311352.

2531136841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1618855225 + 912281616 = 40235^2 + 30204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2531136841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2531136797 and 2531136806.

It is not a weakly prime, because it can be changed into another prime (2531139841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265568420 + 1265568421.

It is an arithmetic number, because the mean of its divisors is an integer number (1265568421).

Almost surely, 22531136841 is an apocalyptic number.

It is an amenable number.

2531136841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531136841 is an equidigital number, since it uses as much as digits as its factorization.

2531136841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 2531136841 is about 50310.4048979930. The cubic root of 2531136841 is about 1362.8201358228.

The spelling of 2531136841 in words is "two billion, five hundred thirty-one million, one hundred thirty-six thousand, eight hundred forty-one".