1032642431 has 4 divisors (see below), whose sum is σ = 1077539952. Its totient is φ = 987744912.

The previous prime is 1032642397. The next prime is 1032642433. The reversal of 1032642431 is 1342462301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1032642431 - 2¹⁴ = 1032626047 is a prime.

It is a super-2 number, since 2×1032642431² = 2132700780603179522, 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 1032642431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032642433) 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, 22448726 + ... + 22448771.

It is an arithmetic number, because the mean of its divisors is an integer number (269384988).

Almost surely, 2^1032642431 is an apocalyptic number.

1032642431 is a deficient number, since it is larger than the sum of its proper divisors (44897521).

1032642431 is an equidigital number, since it uses as much as digits as its factorization.

1032642431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44897520.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1032642431 is about 32134.7542545450. The cubic root of 1032642431 is about 1010.7645196704.

The spelling of 1032642431 in words is "one billion, thirty-two million, six hundred forty-two thousand, four hundred thirty-one".