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31134712942 = 253293723707
BaseRepresentation
bin11100111111110001…
…100000010001101110
32222100211110021220101
4130333301200101232
51002230441303232
622145244541314
72151355456564
oct347761402156
988324407811
1031134712942
1112227808723
12604ab5183a
132c224aac88
141715021a34
15c2356a1e7
hex73fc6046e

31134712942 has 8 divisors (see below), whose sum is σ = 47583240696. Its totient is φ = 15273632712.

The previous prime is 31134712901. The next prime is 31134712943. The reversal of 31134712942 is 24921743113.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31134712943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146861748 + ... + 146861959.

It is an arithmetic number, because the mean of its divisors is an integer number (5947905087).

Almost surely, 231134712942 is an apocalyptic number.

31134712942 is a deficient number, since it is larger than the sum of its proper divisors (16448527754).

31134712942 is a wasteful number, since it uses less digits than its factorization.

31134712942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293723762.

The product of its digits is 36288, while the sum is 37.

The spelling of 31134712942 in words is "thirty-one billion, one hundred thirty-four million, seven hundred twelve thousand, nine hundred forty-two".

Divisors: 1 2 53 106 293723707 587447414 15567356471 31134712942