1031442132 has 48 divisors (see below), whose sum is σ = 2895280640. Its totient is φ = 279186912.

The previous prime is 1031442131. The next prime is 1031442149. The reversal of 1031442132 is 2312441301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1031442099 and 1031442108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031442131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321538 + ... + 324729.

Almost surely, 2^1031442132 is an apocalyptic number.

1031442132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031442132 is an abundant number, since it is smaller than the sum of its proper divisors (1863838508).

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

1031442132 is a wasteful number, since it uses less digits than its factorization.

1031442132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646300 (or 646298 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1031442132 is about 32116.0727985225. The cubic root of 1031442132 is about 1010.3727448172.

Adding to 1031442132 its reverse (2312441301), we get a palindrome (3343883433).

The spelling of 1031442132 in words is "one billion, thirty-one million, four hundred forty-two thousand, one hundred thirty-two".