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31301002130 = 253533885961
BaseRepresentation
bin11101001001101011…
…110110001110010010
32222210102100122210012
4131021223312032102
51003101024032010
622213545034522
72155445061656
oct351153661622
988712318705
1031301002130
1112302666202
126096785a42
132c4aa91248
14172d14aa66
15c32e66005
hex749af6392

31301002130 has 16 divisors (see below), whose sum is σ = 56357814744. Its totient is φ = 12516842880.

The previous prime is 31301002121. The next prime is 31301002153. The reversal of 31301002130 is 3120010313.

It can be written as a sum of positive squares in 4 ways, for example, as 19234638721 + 12066363409 = 138689^2 + 109847^2 .

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, 407651 + ... + 478310.

Almost surely, 231301002130 is an apocalyptic number.

31301002130 is a deficient number, since it is larger than the sum of its proper divisors (25056812614).

31301002130 is a wasteful number, since it uses less digits than its factorization.

31301002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889501.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31301002130 its reverse (3120010313), we get a palindrome (34421012443).

The spelling of 31301002130 in words is "thirty-one billion, three hundred one million, two thousand, one hundred thirty".

Divisors: 1 2 5 10 3533 7066 17665 35330 885961 1771922 4429805 8859610 3130100213 6260200426 15650501065 31301002130