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31110301011133 = 49316309126143
BaseRepresentation
bin1110001001011011011100…
…11100001100110010111101
311002011010010100221002222201
413010231232130030302331
513034202344024324013
6150055512555111501
76360434155306201
oct704555634146275
9132133110832881
1031110301011133
119a04893971193
1235a5474a42591
1314488c5397a86
14797a64970b01
1538e3b4c963dd
hex1c4b6e70ccbd

31110301011133 has 4 divisors (see below), whose sum is σ = 31116610142208. Its totient is φ = 31103991880060.

The previous prime is 31110301011121. The next prime is 31110301011137. The reversal of 31110301011133 is 33111010301113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31110301011133 - 225 = 31110267456701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31110301011133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31110301011137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3154558141 + ... + 3154568002.

It is an arithmetic number, because the mean of its divisors is an integer number (7779152535552).

Almost surely, 231110301011133 is an apocalyptic number.

It is an amenable number.

31110301011133 is a deficient number, since it is larger than the sum of its proper divisors (6309131075).

31110301011133 is an equidigital number, since it uses as much as digits as its factorization.

31110301011133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309131074.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 31110301011133 its reverse (33111010301113), we get a palindrome (64221311312246).

The spelling of 31110301011133 in words is "thirty-one trillion, one hundred ten billion, three hundred one million, eleven thousand, one hundred thirty-three".

Divisors: 1 4931 6309126143 31110301011133