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31132022030 = 255715452193
BaseRepresentation
bin11100111111100111…
…001111010100001110
32222100122101120122222
4130333213033110032
51002224244201110
622145111135342
72151323551424
oct347747172416
988318346588
1031132022030
111222623aa2a
12604a074552
132c21a78215
141714921114
15c231d7c55
hex73f9cf50e

31132022030 has 16 divisors (see below), whose sum is σ = 56135789424. Its totient is φ = 12430997760.

The previous prime is 31132022027. The next prime is 31132022083. The reversal of 31132022030 is 3022023113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2720387 + ... + 2731806.

It is an arithmetic number, because the mean of its divisors is an integer number (3508486839).

Almost surely, 231132022030 is an apocalyptic number.

31132022030 is a deficient number, since it is larger than the sum of its proper divisors (25003767394).

31132022030 is a wasteful number, since it uses less digits than its factorization.

31132022030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452771.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31132022030 its reverse (3022023113), we get a palindrome (34154045143).

The spelling of 31132022030 in words is "thirty-one billion, one hundred thirty-two million, twenty-two thousand, thirty".

Divisors: 1 2 5 10 571 1142 2855 5710 5452193 10904386 27260965 54521930 3113202203 6226404406 15566011015 31132022030