10031012421 has 8 divisors (see below), whose sum is σ = 13424404320. Its totient is φ = 6662481072.

The previous prime is 10031012413. The next prime is 10031012441. The reversal of 10031012421 is 12421013001.

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

It is not a de Polignac number, because 10031012421 - 2³ = 10031012413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10031012421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031012441) 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, 6214195 + ... + 6215808.

It is an arithmetic number, because the mean of its divisors is an integer number (1678050540).

Almost surely, 2^10031012421 is an apocalyptic number.

It is an amenable number.

10031012421 is a deficient number, since it is larger than the sum of its proper divisors (3393391899).

10031012421 is a wasteful number, since it uses less digits than its factorization.

10031012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430275.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10031012421 its reverse (12421013001), we get a palindrome (22452025422).

The spelling of 10031012421 in words is "ten billion, thirty-one million, twelve thousand, four hundred twenty-one".