10531438938031 has 8 divisors (see below), whose sum is σ = 11500365902544. Its totient is φ = 9564432544320.

The previous prime is 10531438937947. The next prime is 10531438938061. The reversal of 10531438938031 is 13083983413501.

10531438938031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10531438938031 is a prime.

It is a super-2 number, since 2×10531438938031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10531438938061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480131230 + ... + 480153163.

It is an arithmetic number, because the mean of its divisors is an integer number (1437545737818).

Almost surely, 2^{10531438938031} is an apocalyptic number.

10531438938031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10531438938031 is a deficient number, since it is larger than the sum of its proper divisors (968926964513).

10531438938031 is an equidigital number, since it uses as much as digits as its factorization.

10531438938031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960285401.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 10531438938031 in words is "ten trillion, five hundred thirty-one billion, four hundred thirty-eight million, nine hundred thirty-eight thousand, thirty-one".