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23002211020031 = 75160930603959
BaseRepresentation
bin1010011101011100111101…
…00111011110110011111111
310000102222201122011020101122
411032232132213132303333
511003332012010120111
6120531023031301155
74562566142443355
oct516563647366377
9100388648136348
1023002211020031
1173692014aa8a1
1226b5b95b1a7bb
13cab139c031c9
14597454a5d7d5
1529d518771cdb
hex14eb9e9decff

23002211020031 has 4 divisors (see below), whose sum is σ = 23002242375600. Its totient is φ = 23002179664464.

The previous prime is 23002211020027. The next prime is 23002211020079. The reversal of 23002211020031 is 13002011220032.

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 23002211020031 - 22 = 23002211020027 is a prime.

It is a super-2 number, since 2×230022110200312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23002211019991 and 23002211020009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002211020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14550371 + ... + 16053588.

It is an arithmetic number, because the mean of its divisors is an integer number (5750560593900).

Almost surely, 223002211020031 is an apocalyptic number.

23002211020031 is a deficient number, since it is larger than the sum of its proper divisors (31355569).

23002211020031 is an equidigital number, since it uses as much as digits as its factorization.

23002211020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31355568.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23002211020031 its reverse (13002011220032), we get a palindrome (36004222240063).

The spelling of 23002211020031 in words is "twenty-three trillion, two billion, two hundred eleven million, twenty thousand, thirty-one".

Divisors: 1 751609 30603959 23002211020031