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1302140031 = 310714092879
BaseRepresentation
bin100110110011101…
…0001010001111111
310100202012120022120
41031213101101333
510131321440111
6333113214023
744161002423
oct11547212177
93322176276
101302140031
1160902a095
12304101313
13179a0707a
14c4d1ab83
15794b4406
hex4d9d147f

1302140031 has 16 divisors (see below), whose sum is σ = 1754265600. Its totient is φ = 859071488.

The previous prime is 1302140023. The next prime is 1302140057. The reversal of 1302140031 is 1300412031.

It is a cyclic number.

It is not a de Polignac number, because 1302140031 - 23 = 1302140023 is a prime.

It is a super-2 number, since 2×13021400312 = 3391137320665361922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302140431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450850 + ... + 453728.

It is an arithmetic number, because the mean of its divisors is an integer number (109641600).

Almost surely, 21302140031 is an apocalyptic number.

1302140031 is a deficient number, since it is larger than the sum of its proper divisors (452125569).

1302140031 is a wasteful number, since it uses less digits than its factorization.

1302140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1302140031 is about 36085.1774417142. The cubic root of 1302140031 is about 1091.9914302820.

Adding to 1302140031 its reverse (1300412031), we get a palindrome (2602552062).

Subtracting from 1302140031 its reverse (1300412031), we obtain a cube (1728000 = 1203).

The spelling of 1302140031 in words is "one billion, three hundred two million, one hundred forty thousand, thirty-one".

Divisors: 1 3 107 321 1409 2879 4227 8637 150763 308053 452289 924159 4056511 12169533 434046677 1302140031