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1342143131 = 7364352631
BaseRepresentation
bin100111111111111…
…0111101010011011
310110112110221020212
41033333313222123
510222042040011
6341102441335
745155012510
oct11777675233
93415427225
101342143131
11629671aaa
1231559324b
131850a2144
14ca371307
157cc6708b
hex4fff7a9b

1342143131 has 8 divisors (see below), whose sum is σ = 1534328064. Its totient is φ = 1150070760.

The previous prime is 1342143091. The next prime is 1342143137. The reversal of 1342143131 is 1313412431.

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 1342143131 - 230 = 268401307 is a prime.

It is a super-2 number, since 2×13421431312 = 3602696368180966322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342143097 and 1342143106.

It is not an unprimeable number, because it can be changed into a prime (1342143137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815 + ... + 51816.

It is an arithmetic number, because the mean of its divisors is an integer number (191791008).

Almost surely, 21342143131 is an apocalyptic number.

1342143131 is a deficient number, since it is larger than the sum of its proper divisors (192184933).

1342143131 is an equidigital number, since it uses as much as digits as its factorization.

1342143131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56281.

The product of its digits is 864, while the sum is 23.

The square root of 1342143131 is about 36635.2716790800. The cubic root of 1342143131 is about 1103.0612060801.

Adding to 1342143131 its reverse (1313412431), we get a palindrome (2655555562).

The spelling of 1342143131 in words is "one billion, three hundred forty-two million, one hundred forty-three thousand, one hundred thirty-one".

Divisors: 1 7 3643 25501 52631 368417 191734733 1342143131