21041431310310 has 32 divisors (see below), whose sum is σ = 50540458332672. Its totient is φ = 5606490217440.

The previous prime is 21041431310261. The next prime is 21041431310353. The reversal of 21041431310310 is 1301313414012.

It is a happy number.

It is a super-2 number, since 2×21041431310310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284845704 + ... + 284919563.

It is an arithmetic number, because the mean of its divisors is an integer number (1579389322896).

Almost surely, 2^{21041431310310} is an apocalyptic number.

21041431310310 is an abundant number, since it is smaller than the sum of its proper divisors (29499027022362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21041431310310 is a wasteful number, since it uses less digits than its factorization.

21041431310310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569766508.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21041431310310 its reverse (1301313414012), we get a palindrome (22342744724322).

The spelling of 21041431310310 in words is "twenty-one trillion, forty-one billion, four hundred thirty-one million, three hundred ten thousand, three hundred ten".