10421055400031 has 16 divisors (see below), whose sum is σ = 10612698124800. Its totient is φ = 10230093974880.

The previous prime is 10421055400001. The next prime is 10421055400043. The reversal of 10421055400031 is 13000455012401.

It is a cyclic number.

It is not a de Polignac number, because 10421055400031 - 2⁴² = 6023008888927 is a prime.

It is a super-2 number, since 2×10421055400031² (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 (10421055400001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129563630 + ... + 129644036.

It is an arithmetic number, because the mean of its divisors is an integer number (663293632800).

Almost surely, 2^{10421055400031} is an apocalyptic number.

10421055400031 is a deficient number, since it is larger than the sum of its proper divisors (191642724769).

10421055400031 is an equidigital number, since it uses as much as digits as its factorization.

10421055400031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84614.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 10421055400031 in words is "ten trillion, four hundred twenty-one billion, fifty-five million, four hundred thousand, thirty-one".