10011212320431 has 12 divisors (see below), whose sum is σ = 15527594619672. Its totient is φ = 5720692754448.

The previous prime is 10011212320399. The next prime is 10011212320541. The reversal of 10011212320431 is 13402321211001.

10011212320431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10011212320431 - 2⁵ = 10011212320399 is a prime.

It is a super-2 number, since 2×10011212320431² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 10011212320398 and 10011212320407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011212320831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34051742440 + ... + 34051742733.

It is an arithmetic number, because the mean of its divisors is an integer number (1293966218306).

Almost surely, 2^{10011212320431} is an apocalyptic number.

10011212320431 is a deficient number, since it is larger than the sum of its proper divisors (5516382299241).

10011212320431 is an equidigital number, since it uses as much as digits as its factorization.

10011212320431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68103485190 (or 68103485183 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10011212320431 its reverse (13402321211001), we get a palindrome (23413533531432).

The spelling of 10011212320431 in words is "ten trillion, eleven billion, two hundred twelve million, three hundred twenty thousand, four hundred thirty-one".