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31340211130 = 256614741333
BaseRepresentation
bin11101001100000001…
…011010101110111010
32222220011010200102101
4131030001122232322
51003141043224010
622221505254014
72156432253634
oct351401325672
988804120371
1031340211130
1112322806538
1260a793430a
132c55c3ba37
141734435a54
15c3660d73a
hex74c05abba

31340211130 has 16 divisors (see below), whose sum is σ = 56497735944. Its totient is φ = 12517116480.

The previous prime is 31340211073. The next prime is 31340211137. The reversal of 31340211130 is 3111204313.

It can be written as a sum of positive squares in 4 ways, for example, as 23353035489 + 7987175641 = 152817^2 + 89371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31340211098 and 31340211107.

It is not an unprimeable number, because it can be changed into a prime (31340211137) 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, 2364057 + ... + 2377276.

Almost surely, 231340211130 is an apocalyptic number.

31340211130 is a deficient number, since it is larger than the sum of its proper divisors (25157524814).

31340211130 is a wasteful number, since it uses less digits than its factorization.

31340211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742001.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31340211130 its reverse (3111204313), we get a palindrome (34451415443).

The spelling of 31340211130 in words is "thirty-one billion, three hundred forty million, two hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 661 1322 3305 6610 4741333 9482666 23706665 47413330 3134021113 6268042226 15670105565 31340211130