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1030130131 = 7499137369
BaseRepresentation
bin111101011001101…
…000100111010011
32122210101000212211
4331121220213103
54102203131011
6250115132551
734345650562
oct7531504723
92583330784
101030130131
11489533018
12248ba4157
13135559474
149ab51bd9
1560683b21
hex3d6689d3

1030130131 has 4 divisors (see below), whose sum is σ = 1030275000. Its totient is φ = 1029985264.

The previous prime is 1030130117. The next prime is 1030130149. The reversal of 1030130131 is 1310310301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030130131 - 215 = 1030097363 is a prime.

It is a super-2 number, since 2×10301301312 = 2122336173588154322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030130191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61186 + ... + 76183.

It is an arithmetic number, because the mean of its divisors is an integer number (257568750).

Almost surely, 21030130131 is an apocalyptic number.

1030130131 is a deficient number, since it is larger than the sum of its proper divisors (144869).

1030130131 is an equidigital number, since it uses as much as digits as its factorization.

1030130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144868.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1030130131 is about 32095.6403737330. The cubic root of 1030130131 is about 1009.9441628446.

Adding to 1030130131 its reverse (1310310301), we get a palindrome (2340440432).

The spelling of 1030130131 in words is "one billion, thirty million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 7499 137369 1030130131