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1370107531 = 13105392887
BaseRepresentation
bin101000110101010…
…0010111010001011
310112111002200012101
41101222202322023
510301221420111
6343542054231
745644502412
oct12152427213
93474080171
101370107531
11643432081
12322a1a377
1318ab13720
14cdd70479
158043cbc1
hex51aa2e8b

1370107531 has 4 divisors (see below), whose sum is σ = 1475500432. Its totient is φ = 1264714632.

The previous prime is 1370107489. The next prime is 1370107559. The reversal of 1370107531 is 1357010731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1357010731 = 13421101111.

It is a cyclic number.

It is not a de Polignac number, because 1370107531 - 229 = 833236619 is a prime.

It is a super-2 number, since 2×13701075312 = 3754389293005831922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1370107531.

It is not an unprimeable number, because it can be changed into a prime (1370107561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52696431 + ... + 52696456.

It is an arithmetic number, because the mean of its divisors is an integer number (368875108).

Almost surely, 21370107531 is an apocalyptic number.

1370107531 is a deficient number, since it is larger than the sum of its proper divisors (105392901).

1370107531 is a wasteful number, since it uses less digits than its factorization.

1370107531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105392900.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 1370107531 is about 37014.9636093297. The cubic root of 1370107531 is about 1110.6695986941.

The spelling of 1370107531 in words is "one billion, three hundred seventy million, one hundred seven thousand, five hundred thirty-one".

Divisors: 1 13 105392887 1370107531