1061323403631 has 4 divisors (see below), whose sum is σ = 1415097871512. Its totient is φ = 707548935752.

The previous prime is 1061323403627. The next prime is 1061323403639. The reversal of 1061323403631 is 1363043231601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1061323403631 - 2² = 1061323403627 is a prime.

It is a super-2 number, since 2×1061323403631² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061323403592 and 1061323403601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061323403639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176887233936 + ... + 176887233941.

It is an arithmetic number, because the mean of its divisors is an integer number (353774467878).

Almost surely, 2^{1061323403631} is an apocalyptic number.

1061323403631 is a deficient number, since it is larger than the sum of its proper divisors (353774467881).

1061323403631 is an equidigital number, since it uses as much as digits as its factorization.

1061323403631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353774467880.

The product of its (nonzero) digits is 23328, while the sum is 33.

The spelling of 1061323403631 in words is "one trillion, sixty-one billion, three hundred twenty-three million, four hundred three thousand, six hundred thirty-one".