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1020954331 is a prime number
BaseRepresentation
bin111100110110101…
…000011011011011
32122011002212001101
4330312220123123
54042331014311
6245150332231
734204653145
oct7466503333
92564085041
101020954331
11484336111
12245aba077
13133695ab7
1499843c95
155e96eec1
hex3cda86db

1020954331 has 2 divisors, whose sum is σ = 1020954332. Its totient is φ = 1020954330.

The previous prime is 1020954323. The next prime is 1020954353. The reversal of 1020954331 is 1334590201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020954331 - 23 = 1020954323 is a prime.

It is a super-2 number, since 2×10209543312 = 2084695491975315122, 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 1020954331.

It is not a weakly prime, because it can be changed into another prime (1020954301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510477165 + 510477166.

It is an arithmetic number, because the mean of its divisors is an integer number (510477166).

Almost surely, 21020954331 is an apocalyptic number.

1020954331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020954331 is an equidigital number, since it uses as much as digits as its factorization.

1020954331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1020954331 is about 31952.3759836417. The cubic root of 1020954331 is about 1006.9365500214.

The spelling of 1020954331 in words is "one billion, twenty million, nine hundred fifty-four thousand, three hundred thirty-one".