1432540231 has 8 divisors (see below), whose sum is σ = 1485373680. Its totient is φ = 1379935872.

The previous prime is 1432540229. The next prime is 1432540253. The reversal of 1432540231 is 1320452341.

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 1432540231 - 2¹ = 1432540229 is a prime.

It is a super-2 number, since 2×1432540231² = 4104343026867066722, 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 = 1432540196 and 1432540205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432540261) 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, 44485 + ... + 69598.

It is an arithmetic number, because the mean of its divisors is an integer number (185671710).

Almost surely, 2^1432540231 is an apocalyptic number.

1432540231 is a deficient number, since it is larger than the sum of its proper divisors (52833449).

1432540231 is a wasteful number, since it uses less digits than its factorization.

1432540231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114545.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1432540231 is about 37848.9132076471. The cubic root of 1432540231 is about 1127.2898823307.

Adding to 1432540231 its reverse (1320452341), we get a palindrome (2752992572).

The spelling of 1432540231 in words is "one billion, four hundred thirty-two million, five hundred forty thousand, two hundred thirty-one".