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10023133031 = 43233096117
BaseRepresentation
bin10010101010110110…
…01101111101100111
3221212112021220200022
421111123031331213
5131011410224111
64334330305355
7503245140122
oct112533157547
927775256608
1010023133031
11428388521a
121b3888825b
13c39729962
146b12653b9
153d9e2c2db
hex2556cdf67

10023133031 has 4 divisors (see below), whose sum is σ = 10256229192. Its totient is φ = 9790036872.

The previous prime is 10023133027. The next prime is 10023133079. The reversal of 10023133031 is 13033132001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13033132001 = 42593060139.

It is a cyclic number.

It is not a de Polignac number, because 10023133031 - 22 = 10023133027 is a prime.

It is a super-2 number, since 2×100231330312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023133331) 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, 116548016 + ... + 116548101.

It is an arithmetic number, because the mean of its divisors is an integer number (2564057298).

Almost surely, 210023133031 is an apocalyptic number.

10023133031 is a deficient number, since it is larger than the sum of its proper divisors (233096161).

10023133031 is an equidigital number, since it uses as much as digits as its factorization.

10023133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233096160.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 10023133031 its reverse (13033132001), we get a palindrome (23056265032).

The spelling of 10023133031 in words is "ten billion, twenty-three million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 43 233096117 10023133031