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31300231244 = 227825057811
BaseRepresentation
bin11101001001101000…
…111010000001001100
32222210100220111022212
4131021220322001030
51003100324344434
622213520325552
72155435401332
oct351150720114
988710814285
1031300231244
111230218a007
1260964738b8
132c4a8813b9
14172cdc9b52
15c32d628ce
hex749a3a04c

31300231244 has 6 divisors (see below), whose sum is σ = 54775404684. Its totient is φ = 15650115620.

The previous prime is 31300231223. The next prime is 31300231247. The reversal of 31300231244 is 44213200313.

It is not an unprimeable number, because it can be changed into a prime (31300231247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3912528902 + ... + 3912528909.

It is an arithmetic number, because the mean of its divisors is an integer number (9129234114).

Almost surely, 231300231244 is an apocalyptic number.

It is an amenable number.

31300231244 is a deficient number, since it is larger than the sum of its proper divisors (23475173440).

31300231244 is a wasteful number, since it uses less digits than its factorization.

31300231244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825057815 (or 7825057813 counting only the distinct ones).

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

Adding to 31300231244 its reverse (44213200313), we get a palindrome (75513431557).

The spelling of 31300231244 in words is "thirty-one billion, three hundred million, two hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 7825057811 15650115622 31300231244