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132342031 = 557323747
BaseRepresentation
bin1111110001101…
…10000100001111
3100020000200010201
413320312010033
5232334421111
621044314331
73164613553
oct770660417
9306020121
10132342031
1168781588
12383a29a7
13215587c3
141380d863
15b9426c1
hex7e3610f

132342031 has 4 divisors (see below), whose sum is σ = 132371352. Its totient is φ = 132312712.

The previous prime is 132342029. The next prime is 132342061. The reversal of 132342031 is 130243231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130243231 = 257506783.

It is a cyclic number.

It is not a de Polignac number, because 132342031 - 21 = 132342029 is a prime.

It is a super-2 number, since 2×1323420312 = 35028826338409922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132342061) 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, 6301 + ... + 17446.

It is an arithmetic number, because the mean of its divisors is an integer number (33092838).

Almost surely, 2132342031 is an apocalyptic number.

132342031 is a deficient number, since it is larger than the sum of its proper divisors (29321).

132342031 is an equidigital number, since it uses as much as digits as its factorization.

132342031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29320.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 132342031 is about 11504.0006519471. Note that the first 3 decimals coincide. The cubic root of 132342031 is about 509.6037303690.

Adding to 132342031 its reverse (130243231), we get a palindrome (262585262).

The spelling of 132342031 in words is "one hundred thirty-two million, three hundred forty-two thousand, thirty-one".

Divisors: 1 5573 23747 132342031