1031430432 has 48 divisors (see below), whose sum is σ = 2744612640. Its totient is φ = 339098112.

The previous prime is 1031430431. The next prime is 1031430437. The reversal of 1031430432 is 2340341301.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1031430399 and 1031430408.

It is not an unprimeable number, because it can be changed into a prime (1031430431) 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, 66582 + ... + 80597.

It is an arithmetic number, because the mean of its divisors is an integer number (57179430).

Almost surely, 2^1031430432 is an apocalyptic number.

1031430432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031430432 is an abundant number, since it is smaller than the sum of its proper divisors (1713182208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031430432 is a wasteful number, since it uses less digits than its factorization.

1031430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147265 (or 147257 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1031430432 is about 32115.8906462206. The cubic root of 1031430432 is about 1010.3689244685.

Adding to 1031430432 its reverse (2340341301), we get a palindrome (3371771733).

The spelling of 1031430432 in words is "one billion, thirty-one million, four hundred thirty thousand, four hundred thirty-two".