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31119692285 = 5114113800307
BaseRepresentation
bin11100111110111000…
…001101000111111101
32222022210012011102202
4130332320031013331
51002213120123120
622143551001245
72151114006563
oct347670150775
988283164382
1031119692285
111221a289460
126045b09225
132c1c34c106
141713031a33
15c2209e875
hex73ee0d1fd

31119692285 has 16 divisors (see below), whose sum is σ = 41732131392. Its totient is φ = 22080489600.

The previous prime is 31119692243. The next prime is 31119692287. The reversal of 31119692285 is 58229691113.

It is not a de Polignac number, because 31119692285 - 210 = 31119691261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31119692287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6897899 + ... + 6902408.

It is an arithmetic number, because the mean of its divisors is an integer number (2608258212).

Almost surely, 231119692285 is an apocalyptic number.

It is an amenable number.

31119692285 is a deficient number, since it is larger than the sum of its proper divisors (10612439107).

31119692285 is a wasteful number, since it uses less digits than its factorization.

31119692285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800364.

The product of its digits is 233280, while the sum is 47.

The spelling of 31119692285 in words is "thirty-one billion, one hundred nineteen million, six hundred ninety-two thousand, two hundred eighty-five".

Divisors: 1 5 11 41 55 205 451 2255 13800307 69001535 151803377 565812587 759016885 2829062935 6223938457 31119692285