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31032145144002 = 2336180714294981
BaseRepresentation
bin1110000111001001110111…
…11111001110100011000010
311001212122101112212200201010
413003210323333032203002
513031412313124102002
6145555545355421350
76351666325352232
oct703447377164302
9131778345780633
1031032145144002
119984727a22462
1235922a2754856
13144141b335a52
14793d6cab9cc2
1538c33d64c46c
hex1c393bfce8c2

31032145144002 has 16 divisors (see below), whose sum is σ = 62064466169472. Its totient is φ = 10344019067760.

The previous prime is 31032145143997. The next prime is 31032145144003. The reversal of 31032145144002 is 20044154123013.

It is not an unprimeable number, because it can be changed into a prime (31032145144003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4976649 + ... + 9318332.

It is an arithmetic number, because the mean of its divisors is an integer number (3879029135592).

Almost surely, 231032145144002 is an apocalyptic number.

31032145144002 is an abundant number, since it is smaller than the sum of its proper divisors (31032321025470).

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

31032145144002 is a wasteful number, since it uses less digits than its factorization.

31032145144002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14656793.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 31032145144002 its reverse (20044154123013), we get a palindrome (51076299267015).

The spelling of 31032145144002 in words is "thirty-one trillion, thirty-two billion, one hundred forty-five million, one hundred forty-four thousand, two".

Divisors: 1 2 3 6 361807 723614 1085421 2170842 14294981 28589962 42884943 85769886 5172024190667 10344048381334 15516072572001 31032145144002