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1032020231 = 1193820021
BaseRepresentation
bin111101100000110…
…110000100000111
32122220221001121112
4331200312010013
54103144121411
6250223435235
734401012224
oct7540660407
92586831545
101032020231
1148a604090
12249755b1b
13135a6b878
149b0c494b
1560908b8b
hex3d836107

1032020231 has 4 divisors (see below), whose sum is σ = 1125840264. Its totient is φ = 938200200.

The previous prime is 1032020191. The next prime is 1032020239. The reversal of 1032020231 is 1320202301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1032020231 is a prime.

It is a super-2 number, since 2×10320202312 = 2130131514386586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032020239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46910000 + ... + 46910021.

It is an arithmetic number, because the mean of its divisors is an integer number (281460066).

Almost surely, 21032020231 is an apocalyptic number.

1032020231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1032020231 is a deficient number, since it is larger than the sum of its proper divisors (93820033).

1032020231 is an equidigital number, since it uses as much as digits as its factorization.

1032020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93820032.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1032020231 is about 32125.0716886360. The cubic root of 1032020231 is about 1010.5614729307.

Adding to 1032020231 its reverse (1320202301), we get a palindrome (2352222532).

The spelling of 1032020231 in words is "one billion, thirty-two million, twenty thousand, two hundred thirty-one".

Divisors: 1 11 93820021 1032020231