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1431002312 = 231321135409
BaseRepresentation
bin101010101001011…
…0101110011001000
310200201200110010122
41111102311303020
510412314033222
6353555202412
750314214255
oct12522656310
93621613118
101431002312
11674844243
1233b2a6408
1319a614a3c
14d80a242c
158596aa42
hex554b5cc8

1431002312 has 16 divisors (see below), whose sum is σ = 2685180300. Its totient is φ = 714954240.

The previous prime is 1431002291. The next prime is 1431002323. The reversal of 1431002312 is 2132001341.

It can be written as a sum of positive squares in 2 ways, for example, as 1312323076 + 118679236 = 36226^2 + 10894^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57137 + ... + 78272.

Almost surely, 21431002312 is an apocalyptic number.

It is an amenable number.

1431002312 is a deficient number, since it is larger than the sum of its proper divisors (1254177988).

1431002312 is a wasteful number, since it uses less digits than its factorization.

1431002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136736 (or 136732 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1431002312 is about 37828.5911976642. The cubic root of 1431002312 is about 1126.8863331516.

Adding to 1431002312 its reverse (2132001341), we get a palindrome (3563003653).

The spelling of 1431002312 in words is "one billion, four hundred thirty-one million, two thousand, three hundred twelve".

Divisors: 1 2 4 8 1321 2642 5284 10568 135409 270818 541636 1083272 178875289 357750578 715501156 1431002312