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1042130131 = 7314802443
BaseRepresentation
bin111110000111011…
…010010011010011
32200121221200210021
4332013122103103
54113241131011
6251224244311
734552650160
oct7607322323
92617850707
101042130131
11495289879
12251010697
13137b9b463
149c597067
1561754471
hex3e1da4d3

1042130131 has 8 divisors (see below), whose sum is σ = 1229425664. Its totient is φ = 864439560.

The previous prime is 1042130081. The next prime is 1042130171. The reversal of 1042130131 is 1310312401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042130131 - 27 = 1042130003 is a prime.

It is a super-2 number, since 2×10421301312 = 2172070419876154322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042130171) 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 7 ways as a sum of consecutive naturals, for example, 2401005 + ... + 2401438.

It is an arithmetic number, because the mean of its divisors is an integer number (153678208).

Almost surely, 21042130131 is an apocalyptic number.

1042130131 is a deficient number, since it is larger than the sum of its proper divisors (187295533).

1042130131 is an equidigital number, since it uses as much as digits as its factorization.

1042130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802481.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1042130131 is about 32282.0403785139. The cubic root of 1042130131 is about 1013.8506507679.

Adding to 1042130131 its reverse (1310312401), we get a palindrome (2352442532).

The spelling of 1042130131 in words is "one billion, forty-two million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 7 31 217 4802443 33617101 148875733 1042130131