1031440332 has 48 divisors (see below), whose sum is σ = 2681209440. Its totient is φ = 306421248.

The previous prime is 1031440259. The next prime is 1031440349. The reversal of 1031440332 is 2330441301.

It is a super-4 number, since 4×1031440332⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031440299 and 1031440308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109473 + ... + 118520.

It is an arithmetic number, because the mean of its divisors is an integer number (55858530).

Almost surely, 2^1031440332 is an apocalyptic number.

1031440332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031440332 is an abundant number, since it is smaller than the sum of its proper divisors (1649769108).

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

1031440332 is a wasteful number, since it uses less digits than its factorization.

1031440332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228042 (or 228040 counting only the distinct ones).

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

The square root of 1031440332 is about 32116.0447751587. The cubic root of 1031440332 is about 1010.3721570731.

Adding to 1031440332 its reverse (2330441301), we get a palindrome (3361881633).

The spelling of 1031440332 in words is "one billion, thirty-one million, four hundred forty thousand, three hundred thirty-two".