Search a number
-
+
2315031363331 is a prime number
BaseRepresentation
bin100001101100000010100…
…111110011111100000011
322012022111111221020210121
4201230002213303330003
5300412141012111311
64531302152241111
7326153430624211
oct41540247637403
98168444836717
102315031363331
11812887940905
123148033a0197
1313a3ca5706bb
148009605bcb1
15403450e8b71
hex21b029f3f03

2315031363331 has 2 divisors, whose sum is σ = 2315031363332. Its totient is φ = 2315031363330.

The previous prime is 2315031363299. The next prime is 2315031363341. The reversal of 2315031363331 is 1333631305132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2315031363331 - 25 = 2315031363299 is a prime.

It is a super-2 number, since 2×23150313633312 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2315031363341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157515681665 + 1157515681666.

It is an arithmetic number, because the mean of its divisors is an integer number (1157515681666).

Almost surely, 22315031363331 is an apocalyptic number.

2315031363331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315031363331 is an equidigital number, since it uses as much as digits as its factorization.

2315031363331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 34.

Adding to 2315031363331 its reverse (1333631305132), we get a palindrome (3648662668463).

The spelling of 2315031363331 in words is "two trillion, three hundred fifteen billion, thirty-one million, three hundred sixty-three thousand, three hundred thirty-one".