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312134041431 = 33109191555287
BaseRepresentation
bin1001000101011001010…
…00110111111101010111
31002211200011021012101000
410202230220313331113
520103222303311211
6355220431434343
731356654401412
oct4425450677527
91084604235330
10312134041431
11110414590213
12505b10859b3
1323584995594
1411170892b79
1581bcaaa656
hex48aca37f57

312134041431 has 32 divisors (see below), whose sum is σ = 469107302400. Its totient is φ = 205100436960.

The previous prime is 312134041409. The next prime is 312134041477. The reversal of 312134041431 is 134140431213.

312134041431 is a `hidden beast` number, since 3 + 1 + 213 + 4 + 0 + 414 + 31 = 666.

It is not a de Polignac number, because 312134041431 - 29 = 312134040919 is a prime.

It is a super-2 number, since 2×3121340414312 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 312134041395 and 312134041404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312134041631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284470 + ... + 839756.

It is an arithmetic number, because the mean of its divisors is an integer number (14659603200).

Almost surely, 2312134041431 is an apocalyptic number.

312134041431 is a deficient number, since it is larger than the sum of its proper divisors (156973260969).

312134041431 is a wasteful number, since it uses less digits than its factorization.

312134041431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555596 (or 555590 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 312134041431 its reverse (134140431213), we get a palindrome (446274472644).

The spelling of 312134041431 in words is "three hundred twelve billion, one hundred thirty-four million, forty-one thousand, four hundred thirty-one".

Divisors: 1 3 9 27 109 191 327 573 981 1719 2943 5157 20819 62457 187371 555287 562113 1665861 4997583 14992749 60526283 106059817 181578849 318179451 544736547 954538353 1634209641 2863615059 11560520053 34681560159 104044680477 312134041431