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31032103023 = 3418110312053
BaseRepresentation
bin11100111001101010…
…000101000001101111
32222002200101011120000
4130321222011001233
51002023204244043
622131141355343
72146001344365
oct347152050157
988080334500
1031032103023
11121848a4339
126020708b53
132c0716254c
141705551635
15c1954c2d3
hex739a8506f

31032103023 has 40 divisors (see below), whose sum is σ = 46680650016. Its totient is φ = 20543803200.

The previous prime is 31032102989. The next prime is 31032103027. The reversal of 31032103023 is 32030123013.

31032103023 is a `hidden beast` number, since 310 + 321 + 0 + 30 + 2 + 3 = 666.

It is not a de Polignac number, because 31032103023 - 210 = 31032101999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31032102987 and 31032103005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032103027) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15114465 + ... + 15116517.

Almost surely, 231032103023 is an apocalyptic number.

31032103023 is a deficient number, since it is larger than the sum of its proper divisors (15648546993).

31032103023 is a wasteful number, since it uses less digits than its factorization.

31032103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277 (or 3268 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31032103023 its reverse (32030123013), we get a palindrome (63062226036).

The spelling of 31032103023 in words is "thirty-one billion, thirty-two million, one hundred three thousand, twenty-three".

Divisors: 1 3 9 27 81 181 543 1031 1629 2053 3093 4887 6159 9279 14661 18477 27837 55431 83511 166293 186611 371593 559833 1114779 1679499 2116643 3344337 5038497 6349929 10033011 15115491 19049787 30099033 57149361 171448083 383112383 1149337149 3448011447 10344034341 31032103023