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31112013202 = 267232179203
BaseRepresentation
bin11100111110011010…
…111010010110010010
32222022020202000201021
4130332122322112102
51002204133410302
622143114230054
72150661514564
oct347632722622
988266660637
1031112013202
1112215a14006
12604342532a
132c1a890a8a
141711dd3334
15c21584437
hex73e6ba592

31112013202 has 8 divisors (see below), whose sum is σ = 47364557616. Its totient is φ = 15323827332.

The previous prime is 31112013193. The next prime is 31112013209. The reversal of 31112013202 is 20231021113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31112013209) 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, 116089468 + ... + 116089735.

It is an arithmetic number, because the mean of its divisors is an integer number (5920569702).

Almost surely, 231112013202 is an apocalyptic number.

31112013202 is a deficient number, since it is larger than the sum of its proper divisors (16252544414).

31112013202 is a wasteful number, since it uses less digits than its factorization.

31112013202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232179272.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31112013202 its reverse (20231021113), we get a palindrome (51343034315).

The spelling of 31112013202 in words is "thirty-one billion, one hundred twelve million, thirteen thousand, two hundred two".

Divisors: 1 2 67 134 232179203 464358406 15556006601 31112013202