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10311112023 = 329467253787
BaseRepresentation
bin10011001101001011…
…10001010101010111
3222121121011202120220
421212211301111113
5132104121041043
64423054525423
7513343002042
oct114645612527
928547152526
1010311112023
114411399093
121bb9206873
13c842a9024
146db5c9c59
15405364483
hex266971557

10311112023 has 16 divisors (see below), whose sum is σ = 14252734080. Its totient is φ = 6622799456.

The previous prime is 10311111971. The next prime is 10311112067. The reversal of 10311112023 is 32021111301.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10311112023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10311111993 and 10311112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311110023) 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, 86265 + ... + 167522.

It is an arithmetic number, because the mean of its divisors is an integer number (890795880).

Almost surely, 210311112023 is an apocalyptic number.

10311112023 is a deficient number, since it is larger than the sum of its proper divisors (3941622057).

10311112023 is a wasteful number, since it uses less digits than its factorization.

10311112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254286.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10311112023 its reverse (32021111301), we get a palindrome (42332223324).

The spelling of 10311112023 in words is "ten billion, three hundred eleven million, one hundred twelve thousand, twenty-three".

Divisors: 1 3 29 87 467 1401 13543 40629 253787 761361 7359823 22079469 118518529 355555587 3437037341 10311112023