Search a number
-
+
2031311353 is a prime number
BaseRepresentation
bin111100100010011…
…0101100111111001
312020120021022022211
41321010311213321
513130003430403
6533322015121
7101223601351
oct17104654771
95216238284
102031311353
11952693315
124883474a1
13264abb1a6
14153ac9b61
15bd4ea06d
hex791359f9

2031311353 has 2 divisors, whose sum is σ = 2031311354. Its totient is φ = 2031311352.

The previous prime is 2031311333. The next prime is 2031311369. The reversal of 2031311353 is 3531131302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1524746304 + 506565049 = 39048^2 + 22507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2031311353 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031311333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015655676 + 1015655677.

It is an arithmetic number, because the mean of its divisors is an integer number (1015655677).

Almost surely, 22031311353 is an apocalyptic number.

It is an amenable number.

2031311353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031311353 is an equidigital number, since it uses as much as digits as its factorization.

2031311353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 2031311353 is about 45070.0715885830. The cubic root of 2031311353 is about 1266.4620054917.

Adding to 2031311353 its reverse (3531131302), we get a palindrome (5562442655).

The spelling of 2031311353 in words is "two billion, thirty-one million, three hundred eleven thousand, three hundred fifty-three".