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31012334134 = 282118886927
BaseRepresentation
bin11100111000011110…
…101010101000110110
32222001022011210201221
4130320132222220312
51002003124143014
622125153540554
72145341330215
oct347036525066
988038153657
1031012334134
1112174721711
126015b7475a
132c03030392
141702a8707c
15c17944b24
hex7387aaa36

31012334134 has 8 divisors (see below), whose sum is σ = 46575164448. Its totient is φ = 15487279320.

The previous prime is 31012334123. The next prime is 31012334137. The reversal of 31012334134 is 43143321013.

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

It is a junction number, because it is equal to n+sod(n) for n = 31012334099 and 31012334108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31012334137) 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, 9441822 + ... + 9445105.

It is an arithmetic number, because the mean of its divisors is an integer number (5821895556).

Almost surely, 231012334134 is an apocalyptic number.

31012334134 is a deficient number, since it is larger than the sum of its proper divisors (15562830314).

31012334134 is a wasteful number, since it uses less digits than its factorization.

31012334134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887750.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31012334134 its reverse (43143321013), we get a palindrome (74155655147).

The spelling of 31012334134 in words is "thirty-one billion, twelve million, three hundred thirty-four thousand, one hundred thirty-four".

Divisors: 1 2 821 1642 18886927 37773854 15506167067 31012334134