1030431132 has 120 divisors (see below), whose sum is σ = 2951015760. Its totient is φ = 312076800.

The previous prime is 1030431113. The next prime is 1030431133. The reversal of 1030431132 is 2311340301.

1030431132 is a `hidden beast` number, since 103 + 0 + 431 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030431133) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 156507 + ... + 162957.

It is an arithmetic number, because the mean of its divisors is an integer number (24591798).

Almost surely, 2^1030431132 is an apocalyptic number.

1030431132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030431132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475507880).

1030431132 is an abundant number, since it is smaller than the sum of its proper divisors (1920584628).

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

1030431132 is a wasteful number, since it uses less digits than its factorization.

1030431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6513 (or 6502 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1030431132 is about 32100.3291571909. The cubic root of 1030431132 is about 1010.0425208384.

Adding to 1030431132 its reverse (2311340301), we get a palindrome (3341771433).

The spelling of 1030431132 in words is "one billion, thirty million, four hundred thirty-one thousand, one hundred thirty-two".