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31022124102 = 2326132811503
BaseRepresentation
bin11100111001000100…
…000000110001000110
32222001222121012001100
4130321010000301012
51002013130432402
622130143440530
72145520463334
oct347104006106
988058535040
1031022124102
111217a1a8aa2
1260192b6146
132c0507a468
1417040b4b54
15c1872a71c
hex739100c46

31022124102 has 24 divisors (see below), whose sum is σ = 67324274784. Its totient is φ = 10323835344.

The previous prime is 31022124097. The next prime is 31022124149. The reversal of 31022124102 is 20142122013.

It is a happy number.

31022124102 is a `hidden beast` number, since 31 + 0 + 221 + 2 + 410 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394718 + ... + 1416785.

It is an arithmetic number, because the mean of its divisors is an integer number (2805178116).

Almost surely, 231022124102 is an apocalyptic number.

31022124102 is an abundant number, since it is smaller than the sum of its proper divisors (36302150682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31022124102 is a wasteful number, since it uses less digits than its factorization.

31022124102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812124 (or 2812121 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 31022124102 its reverse (20142122013), we get a palindrome (51164246115).

The spelling of 31022124102 in words is "thirty-one billion, twenty-two million, one hundred twenty-four thousand, one hundred two".

Divisors: 1 2 3 6 9 18 613 1226 1839 3678 5517 11034 2811503 5623006 8434509 16869018 25303527 50607054 1723451339 3446902678 5170354017 10340708034 15511062051 31022124102