Search a number
-
+
31101140342 = 267722969823
BaseRepresentation
bin11100111101110001…
…011011110101110110
32222021111021121221202
4130331301123311312
51002143342442332
622142045212502
72150500221356
oct347561336566
988244247852
1031101140342
111220a868078
12603b861132
132c18554b2c
1417107a2b66
15c20637a62
hex73dc5bd76

31101140342 has 8 divisors (see below), whose sum is σ = 46720622016. Its totient is φ = 15527599672.

The previous prime is 31101140333. The next prime is 31101140419. The reversal of 31101140342 is 24304110113.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11483558 + ... + 11486265.

It is an arithmetic number, because the mean of its divisors is an integer number (5840077752).

Almost surely, 231101140342 is an apocalyptic number.

31101140342 is a deficient number, since it is larger than the sum of its proper divisors (15619481674).

31101140342 is a wasteful number, since it uses less digits than its factorization.

31101140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22970502.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31101140342 its reverse (24304110113), we get a palindrome (55405250455).

The spelling of 31101140342 in words is "thirty-one billion, one hundred one million, one hundred forty thousand, three hundred forty-two".

Divisors: 1 2 677 1354 22969823 45939646 15550570171 31101140342