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31011023330132 = 2221936135342453
BaseRepresentation
bin1110000110100010100010…
…00001111001101101010100
311001210121212112110101010112
413003101101001321231110
513031041033433031012
6145542133433542152
76350321032040036
oct703212101715524
9131717775411115
1031011023330132
11997677923a03a
12358a188b74958
13143c433410531
14792d27817c56
1538ba0418c122
hex1c3451079b54

31011023330132 has 12 divisors (see below), whose sum is σ = 54269539760436. Its totient is φ = 15505440541440.

The previous prime is 31011023330069. The next prime is 31011023330159. The reversal of 31011023330132 is 23103332011013.

It can be written as a sum of positive squares in 2 ways, for example, as 17499547096516 + 13511476233616 = 4183246^2 + 3675796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31011023330098 and 31011023330107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16793783 + ... + 18548670.

It is an arithmetic number, because the mean of its divisors is an integer number (4522461646703).

Almost surely, 231011023330132 is an apocalyptic number.

It is an amenable number.

31011023330132 is a deficient number, since it is larger than the sum of its proper divisors (23258516430304).

31011023330132 is a wasteful number, since it uses less digits than its factorization.

31011023330132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35561818 (or 35561816 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31011023330132 its reverse (23103332011013), we get a palindrome (54114355341145).

The spelling of 31011023330132 in words is "thirty-one trillion, eleven billion, twenty-three million, three hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 219361 438722 877444 35342453 70684906 141369812 7752755832533 15505511665066 31011023330132