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31434349206 = 2313403004477
BaseRepresentation
bin11101010001101000…
…100001101010010110
310000010201021101120210
4131101220201222112
51003334143133311
622235111110250
72161654362651
oct352150415226
9100121241523
1031434349206
11123709638a7
126113372386
132c6c5ac340
141742b3c898
15c3ea063a6
hex751a21a96

31434349206 has 16 divisors (see below), whose sum is σ = 67704752304. Its totient is φ = 9672107424.

The previous prime is 31434349157. The next prime is 31434349213. The reversal of 31434349206 is 60294343413.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 201502161 + ... + 201502316.

It is an arithmetic number, because the mean of its divisors is an integer number (4231547019).

Almost surely, 231434349206 is an apocalyptic number.

31434349206 is an abundant number, since it is smaller than the sum of its proper divisors (36270403098).

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

31434349206 is a wasteful number, since it uses less digits than its factorization.

31434349206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403004495.

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 31434349206 in words is "thirty-one billion, four hundred thirty-four million, three hundred forty-nine thousand, two hundred six".

Divisors: 1 2 3 6 13 26 39 78 403004477 806008954 1209013431 2418026862 5239058201 10478116402 15717174603 31434349206