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310001000023 = 111317331250917
BaseRepresentation
bin1001000001011010111…
…11111101111001010111
31002122011111120110122101
410200231133331321113
520034340224000043
6354225033142531
731253054010661
oct4405537757127
91078144513571
10310001000023
1110a51a534680
12500b685aa47
1323304aa92c0
141100b485531
1580e56b824d
hex482d7fde57

310001000023 has 16 divisors (see below), whose sum is σ = 364407424416. Its totient is φ = 259990381440.

The previous prime is 310001000021. The next prime is 310001000051. The reversal of 310001000023 is 320000100013.

It is a cyclic number.

It is not a de Polignac number, because 310001000023 - 21 = 310001000021 is a prime.

It is a super-2 number, since 2×3100010000232 (a number of 24 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 = 310000999973 and 310001000009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310001000021) 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, 377640 + ... + 873277.

It is an arithmetic number, because the mean of its divisors is an integer number (22775464026).

Almost surely, 2310001000023 is an apocalyptic number.

310001000023 is a deficient number, since it is larger than the sum of its proper divisors (54406424393).

310001000023 is a wasteful number, since it uses less digits than its factorization.

310001000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252674.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 310001000023 its reverse (320000100013), we get a palindrome (630001100036).

The spelling of 310001000023 in words is "three hundred ten billion, one million, twenty-three", and thus it is an aban number.

Divisors: 1 11 13 143 1733 19063 22529 247819 1250917 13760087 16261921 178881131 2167839161 23846230771 28181909093 310001000023