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2031232304261 is a prime number
BaseRepresentation
bin11101100011101110111…
…000010100010010000101
321012011222001221021222202
4131203232320110102011
5231234430432214021
64153045113404245
7266515554465506
oct35435670242205
97164861837882
102031232304261
11713493755296
122897bb709685
13119710021694
1470452836bad
1537c84dc3a0b
hex1d8eee14485

2031232304261 has 2 divisors, whose sum is σ = 2031232304262. Its totient is φ = 2031232304260.

The previous prime is 2031232304237. The next prime is 2031232304323. The reversal of 2031232304261 is 1624032321302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1740074936161 + 291157368100 = 1319119^2 + 539590^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031232304261 - 230 = 2030158562437 is a prime.

It is a super-2 number, since 2×20312323042612 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031232307261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015616152130 + 1015616152131.

It is an arithmetic number, because the mean of its divisors is an integer number (1015616152131).

Almost surely, 22031232304261 is an apocalyptic number.

It is an amenable number.

2031232304261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031232304261 is an equidigital number, since it uses as much as digits as its factorization.

2031232304261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 2031232304261 its reverse (1624032321302), we get a palindrome (3655264625563).

The spelling of 2031232304261 in words is "two trillion, thirty-one billion, two hundred thirty-two million, three hundred four thousand, two hundred sixty-one".