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48310831 is a prime number
BaseRepresentation
bin1011100001001…
…0101000101111
310100220110000001
42320102220233
544331421311
64443245131
71124430622
oct270225057
9110813001
1048310831
11252a7708
12142197a7
13a0165ba
1465b7db9
1543944c1
hex2e12a2f

48310831 has 2 divisors, whose sum is σ = 48310832. Its totient is φ = 48310830.

The previous prime is 48310813. The next prime is 48310861. The reversal of 48310831 is 13801384.

48310831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (48310813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48310831 - 25 = 48310799 is a prime.

It is a super-2 number, since 2×483108312 = 4667872783821122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48310831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48310861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24155415 + 24155416.

It is an arithmetic number, because the mean of its divisors is an integer number (24155416).

Almost surely, 248310831 is an apocalyptic number.

48310831 is a deficient number, since it is larger than the sum of its proper divisors (1).

48310831 is an equidigital number, since it uses as much as digits as its factorization.

48310831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 48310831 is about 6950.5993266768. The cubic root of 48310831 is about 364.2068999448.

It can be divided in two parts, 48310 and 831, that added together give a triangular number (49141 = T313).

The spelling of 48310831 in words is "forty-eight million, three hundred ten thousand, eight hundred thirty-one".