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1303230331 = 13124980263
BaseRepresentation
bin100110110101101…
…1011011101111011
310100211020221221001
41031223123131323
510132111332311
6333152425431
744203163224
oct11553333573
93324227831
101303230331
11609704267
12304548277
13179cc9410
14c512224b
157962c4c1
hex4dadb77b

1303230331 has 8 divisors (see below), whose sum is σ = 1404620000. Its totient is φ = 1202003712.

The previous prime is 1303230287. The next prime is 1303230343. The reversal of 1303230331 is 1330323031.

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

It is not a de Polignac number, because 1303230331 - 213 = 1303222139 is a prime.

It is a super-2 number, since 2×13032303312 = 3396818591276739122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303230299 and 1303230308.

It is not an unprimeable number, because it can be changed into a prime (1303233331) 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, 23895 + ... + 56368.

It is an arithmetic number, because the mean of its divisors is an integer number (175577500).

Almost surely, 21303230331 is an apocalyptic number.

1303230331 is a deficient number, since it is larger than the sum of its proper divisors (101389669).

1303230331 is a wasteful number, since it uses less digits than its factorization.

1303230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81525.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 1303230331 is about 36100.2815916995. The cubic root of 1303230331 is about 1092.2961251384.

Adding to 1303230331 its reverse (1330323031), we get a palindrome (2633553362).

The spelling of 1303230331 in words is "one billion, three hundred three million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 13 1249 16237 80263 1043419 100248487 1303230331