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1025114331 = 31720100281
BaseRepresentation
bin111101000110100…
…000000011011011
32122102221012111110
4331012200003123
54044412124311
6245415431403
734255220343
oct7506400333
92572835443
101025114331
1148671762a
12247385563
131344c1437
149a207d23
155eee28a6
hex3d1a00db

1025114331 has 8 divisors (see below), whose sum is σ = 1447220304. Its totient is φ = 643208960.

The previous prime is 1025114329. The next prime is 1025114351. The reversal of 1025114331 is 1334115201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025114331 - 21 = 1025114329 is a prime.

It is a super-2 number, since 2×10251143312 = 2101718783243155122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025114298 and 1025114307.

It is not an unprimeable number, because it can be changed into a prime (1025114351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10050090 + ... + 10050191.

It is an arithmetic number, because the mean of its divisors is an integer number (180902538).

Almost surely, 21025114331 is an apocalyptic number.

1025114331 is a deficient number, since it is larger than the sum of its proper divisors (422105973).

1025114331 is a wasteful number, since it uses less digits than its factorization.

1025114331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20100301.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1025114331 is about 32017.4066876129. The cubic root of 1025114331 is about 1008.3023243217.

Adding to 1025114331 its reverse (1334115201), we get a palindrome (2359229532).

The spelling of 1025114331 in words is "one billion, twenty-five million, one hundred fourteen thousand, three hundred thirty-one".

Divisors: 1 3 17 51 20100281 60300843 341704777 1025114331