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31301043044 = 227825260761
BaseRepresentation
bin11101001001101100…
…000000001101100100
32222210102102201220112
4131021230000031210
51003101031334134
622213545552152
72155445322155
oct351154001544
988712381815
1031301043044
1112302693a17
1260967a5658
132c4aaa6a5b
14172d15b92c
15c32e731ce
hex749b00364

31301043044 has 6 divisors (see below), whose sum is σ = 54776825334. Its totient is φ = 15650521520.

The previous prime is 31301043041. The next prime is 31301043047. The reversal of 31301043044 is 44034010313.

It is an interprime number because it is at equal distance from previous prime (31301043041) and next prime (31301043047).

It can be written as a sum of positive squares in only one way, i.e., 28998002944 + 2303040100 = 170288^2 + 47990^2 .

It is not an unprimeable number, because it can be changed into a prime (31301043041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3912630377 + ... + 3912630384.

It is an arithmetic number, because the mean of its divisors is an integer number (9129470889).

Almost surely, 231301043044 is an apocalyptic number.

It is an amenable number.

31301043044 is a deficient number, since it is larger than the sum of its proper divisors (23475782290).

31301043044 is a wasteful number, since it uses less digits than its factorization.

31301043044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825260765 (or 7825260763 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31301043044 its reverse (44034010313), we get a palindrome (75335053357).

The spelling of 31301043044 in words is "thirty-one billion, three hundred one million, forty-three thousand, forty-four".

Divisors: 1 2 4 7825260761 15650521522 31301043044