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2331112631 is a prime number
BaseRepresentation
bin1000101011110001…
…1111010010110111
320000110101210100212
42022330133102313
514233231101011
61023151500035
7111524062511
oct21274372267
96013353325
102331112631
11a96941471
1255082761b
132b1c496b3
1418184abb1
15d99ba08b
hex8af1f4b7

2331112631 has 2 divisors, whose sum is σ = 2331112632. Its totient is φ = 2331112630.

The previous prime is 2331112543. The next prime is 2331112661. The reversal of 2331112631 is 1362111332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2331112631 - 214 = 2331096247 is a prime.

It is a super-2 number, since 2×23311126312 = 10868172196815484322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2331112597 and 2331112606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331112661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165556315 + 1165556316.

It is an arithmetic number, because the mean of its divisors is an integer number (1165556316).

Almost surely, 22331112631 is an apocalyptic number.

2331112631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331112631 is an equidigital number, since it uses as much as digits as its factorization.

2331112631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 2331112631 is about 48281.5972291721. The cubic root of 2331112631 is about 1325.9314928052.

Adding to 2331112631 its reverse (1362111332), we get a palindrome (3693223963).

The spelling of 2331112631 in words is "two billion, three hundred thirty-one million, one hundred twelve thousand, six hundred thirty-one".