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31014034043 = 230991342657
BaseRepresentation
bin11100111000100101…
…001001101001111011
32222001102101011120112
4130320211021221323
51002004043042133
622125254214535
72145361640216
oct347045115173
988042334515
1031014034043
11121756828a3
12601665444b
132c034a7045
141702daa77d
15c17b7d648
hex738949a7b

31014034043 has 4 divisors (see below), whose sum is σ = 31015399800. Its totient is φ = 31012668288.

The previous prime is 31014034019. The next prime is 31014034097. The reversal of 31014034043 is 34043041013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31014034043 - 222 = 31009839739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31014084043) 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, 648230 + ... + 694427.

It is an arithmetic number, because the mean of its divisors is an integer number (7753849950).

Almost surely, 231014034043 is an apocalyptic number.

31014034043 is a deficient number, since it is larger than the sum of its proper divisors (1365757).

31014034043 is a wasteful number, since it uses less digits than its factorization.

31014034043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365756.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31014034043 its reverse (34043041013), we get a palindrome (65057075056).

The spelling of 31014034043 in words is "thirty-one billion, fourteen million, thirty-four thousand, forty-three".

Divisors: 1 23099 1342657 31014034043