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31232030021332 = 2272235001926653
BaseRepresentation
bin1110001100111110001100…
…00011100001011011010100
311002120202022212112112120221
413012133012003201123110
513043201144141140312
6150231444014204124
76402303550650520
oct706370603413324
9132522285475527
1031232030021332
119a5147a803258
123604b877b3644
131457224847caa
1479d8d1790d80
1539263b931207
hex1c67c60e16d4

31232030021332 has 24 divisors (see below), whose sum is σ = 62744167947776. Its totient is φ = 13325132600928.

The previous prime is 31232030021323. The next prime is 31232030021363. The reversal of 31232030021332 is 23312003023213.

It is a super-3 number, since 3×312320300213323 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31232030021297 and 31232030021306.

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, 2500957083 + ... + 2500969570.

Almost surely, 231232030021332 is an apocalyptic number.

It is an amenable number.

31232030021332 is an abundant number, since it is smaller than the sum of its proper divisors (31512137926444).

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

31232030021332 is a wasteful number, since it uses less digits than its factorization.

31232030021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001926887 (or 5001926885 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31232030021332 its reverse (23312003023213), we get a palindrome (54544033044545).

The spelling of 31232030021332 in words is "thirty-one trillion, two hundred thirty-two billion, thirty million, twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 223 446 892 1561 3122 6244 5001926653 10003853306 20007706612 35013486571 70026973142 140053946284 1115429643619 2230859287238 4461718574476 7808007505333 15616015010666 31232030021332