Search a number
-
+
1020231419 is a prime number
BaseRepresentation
bin111100110011110…
…111111011111011
32122002202010101212
4330303313323323
54042134401134
6245123033335
734165552424
oct7463677373
92562663355
101020231419
11483991a69
1224580b84b
131334a1a3c
14996d664b
155e87abce
hex3ccf7efb

1020231419 has 2 divisors, whose sum is σ = 1020231420. Its totient is φ = 1020231418.

The previous prime is 1020231403. The next prime is 1020231431. The reversal of 1020231419 is 9141320201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020231419 - 24 = 1020231403 is a prime.

It is a super-2 number, since 2×10202314192 = 2081744296629507122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020231394 and 1020231403.

It is not a weakly prime, because it can be changed into another prime (1020231449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510115709 + 510115710.

It is an arithmetic number, because the mean of its divisors is an integer number (510115710).

Almost surely, 21020231419 is an apocalyptic number.

1020231419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020231419 is an equidigital number, since it uses as much as digits as its factorization.

1020231419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1020231419 is about 31941.0616448483. The cubic root of 1020231419 is about 1006.6988317842.

The spelling of 1020231419 in words is "one billion, twenty million, two hundred thirty-one thousand, four hundred nineteen".