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31232202212002 = 2118969471582753
BaseRepresentation
bin1110001100111110100000…
…10100011000001010100010
311002120202202212112201210011
413012133100110120022202
513043202022231241002
6150231513044555134
76402311041362241
oct706372024301242
9132522685481704
1031232202212002
119a51558a216a0
1236050153b2aaa
13145725141646c
1479d90a5b4958
1539264bae58d7
hex1c67d05182a2

31232202212002 has 16 divisors (see below), whose sum is σ = 51107329252512. Its totient is φ = 14196430753920.

The previous prime is 31232202211967. The next prime is 31232202212027. The reversal of 31232202212002 is 20021220223213.

It is a super-2 number, since 2×312322022120022 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18941458 + ... + 20524210.

It is an arithmetic number, because the mean of its divisors is an integer number (3194208078282).

Almost surely, 231232202212002 is an apocalyptic number.

31232202212002 is a deficient number, since it is larger than the sum of its proper divisors (19875127040510).

31232202212002 is a wasteful number, since it uses less digits than its factorization.

31232202212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479713.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31232202212002 its reverse (20021220223213), we get a palindrome (51253422435215).

The spelling of 31232202212002 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred two million, two hundred twelve thousand, two".

Divisors: 1 2 11 22 896947 1582753 1793894 3165506 9866417 17410283 19732834 34820566 1419645555091 2839291110182 15616101106001 31232202212002