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31032232013030 = 258365357256097
BaseRepresentation
bin1110000111001010000010…
…01010100110110011100110
311001212122121121100002121112
413003211001022212303212
513031413002343404110
6150000002141345022
76352001431624553
oct703450112466346
9131778547302545
1031032232013030
119984771a65446
123592307868172
13144143332c841
14793d7a44da2a
1538c3460ab405
hex1c39412a6ce6

31032232013030 has 32 divisors (see below), whose sum is σ = 56617577995104. Its totient is φ = 12244559666176.

The previous prime is 31032232012973. The next prime is 31032232013039. The reversal of 31032232013030 is 3031023223013.

It is a junction number, because it is equal to n+sod(n) for n = 31032232012987 and 31032232013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032232013039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28086059 + ... + 29170038.

It is an arithmetic number, because the mean of its divisors is an integer number (1769299312347).

Almost surely, 231032232013030 is an apocalyptic number.

31032232013030 is a deficient number, since it is larger than the sum of its proper divisors (25585345982074).

31032232013030 is a wasteful number, since it uses less digits than its factorization.

31032232013030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57256840.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31032232013030 its reverse (3031023223013), we get a palindrome (34063255236043).

The spelling of 31032232013030 in words is "thirty-one trillion, thirty-two billion, two hundred thirty-two million, thirteen thousand, thirty".

Divisors: 1 2 5 10 83 166 415 653 830 1306 3265 6530 54199 108398 270995 541990 57256097 114512194 286280485 572560970 4752256051 9504512102 23761280255 37388231341 47522560510 74776462682 186941156705 373882313410 3103223201303 6206446402606 15516116006515 31032232013030