1031152305440 has 48 divisors (see below), whose sum is σ = 2463469235640. Its totient is φ = 407826524160.

The previous prime is 1031152305409. The next prime is 1031152305457. The reversal of 1031152305440 is 445032511301.

It can be written as a sum of positive squares in 4 ways, for example, as 924774569104 + 106377736336 = 961652^2 + 326156^2 .

It is a super-3 number, since 3×1031152305440³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36191951 + ... + 36220430.

Almost surely, 2^{1031152305440} is an apocalyptic number.

1031152305440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031152305440 is an abundant number, since it is smaller than the sum of its proper divisors (1432316930200).

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

1031152305440 is an equidigital number, since it uses as much as digits as its factorization.

1031152305440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72412485 (or 72412477 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1031152305440 its reverse (445032511301), we get a palindrome (1476184816741).

The spelling of 1031152305440 in words is "one trillion, thirty-one billion, one hundred fifty-two million, three hundred five thousand, four hundred forty".