1321432031410 has 32 divisors (see below), whose sum is σ = 2380068846000. Its totient is φ = 528241566720.

The previous prime is 1321432031281. The next prime is 1321432031429. The reversal of 1321432031410 is 141302341231.

It can be written as a sum of positive squares in 8 ways, for example, as 352055915649 + 969376115761 = 593343^2 + 984569^2 .

It is a super-2 number, since 2×1321432031410² (a number of 25 digits) contains 22 as substring.

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, 175508526 + ... + 175516054.

Almost surely, 2^{1321432031410} is an apocalyptic number.

1321432031410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321432031410 is a deficient number, since it is larger than the sum of its proper divisors (1058636814590).

1321432031410 is a wasteful number, since it uses less digits than its factorization.

1321432031410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16206.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1321432031410 its reverse (141302341231), we get a palindrome (1462734372641).

The spelling of 1321432031410 in words is "one trillion, three hundred twenty-one billion, four hundred thirty-two million, thirty-one thousand, four hundred ten".