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1342532431 = 5936013767
BaseRepresentation
bin101000000000101…
…0110101101001111
310110120012201021101
41100001112231033
510222142014211
6341115043531
745161223502
oct12001265517
93416181241
101342532431
11629908539
123157405a7
131851aa3b6
14ca433139
157cce25c1
hex50056b4f

1342532431 has 8 divisors (see below), whose sum is σ = 1347391584. Its totient is φ = 1337683200.

The previous prime is 1342532417. The next prime is 1342532437. The reversal of 1342532431 is 1342352431.

It is a happy number.

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 1342532431 - 211 = 1342530383 is a prime.

It is a super-2 number, since 2×13425324312 = 3604786656573539522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342532431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342532437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354510 + ... + 358276.

It is an arithmetic number, because the mean of its divisors is an integer number (168423948).

Almost surely, 21342532431 is an apocalyptic number.

1342532431 is a deficient number, since it is larger than the sum of its proper divisors (4859153).

1342532431 is an equidigital number, since it uses as much as digits as its factorization.

1342532431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961.

The product of its digits is 8640, while the sum is 28.

The square root of 1342532431 is about 36640.5844795085. The cubic root of 1342532431 is about 1103.1678465233.

Adding to 1342532431 its reverse (1342352431), we get a palindrome (2684884862).

The spelling of 1342532431 in words is "one billion, three hundred forty-two million, five hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 593 601 3767 356393 2233831 2263967 1342532431