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31696844316 = 22319373757331
BaseRepresentation
bin11101100001010001…
…110111011000011100
310000211000012112011220
4131201101313120130
51004403343004231
622321125213340
72201322505554
oct354121673034
9100730175156
1031696844316
1112496051305
126187261250
132cb1aa81a7
14176994c164
15c57aa7896
hex76147761c

31696844316 has 48 divisors (see below), whose sum is σ = 79956024960. Its totient is φ = 9738999360.

The previous prime is 31696844293. The next prime is 31696844323. The reversal of 31696844316 is 61344869613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870230 + ... + 1887101.

It is an arithmetic number, because the mean of its divisors is an integer number (1665750520).

Almost surely, 231696844316 is an apocalyptic number.

It is an amenable number.

31696844316 is an abundant number, since it is smaller than the sum of its proper divisors (48259180644).

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

31696844316 is a wasteful number, since it uses less digits than its factorization.

31696844316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757394 (or 3757392 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The spelling of 31696844316 in words is "thirty-one billion, six hundred ninety-six million, eight hundred forty-four thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 19 37 38 57 74 76 111 114 148 222 228 444 703 1406 2109 2812 4218 8436 3757331 7514662 11271993 15029324 22543986 45087972 71389289 139021247 142778578 214167867 278042494 285557156 417063741 428335734 556084988 834127482 856671468 1668254964 2641403693 5282807386 7924211079 10565614772 15848422158 31696844316