10311442421 has 16 divisors (see below), whose sum is σ = 12190120320. Its totient is φ = 8537607360.

The previous prime is 10311442403. The next prime is 10311442423. The reversal of 10311442421 is 12424411301.

It is a cyclic number.

It is not a de Polignac number, because 10311442421 - 2⁶ = 10311442357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311442423) 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, 107210 + ... + 179211.

It is an arithmetic number, because the mean of its divisors is an integer number (761882520).

Almost surely, 2^10311442421 is an apocalyptic number.

It is an amenable number.

10311442421 is a deficient number, since it is larger than the sum of its proper divisors (1878677899).

10311442421 is a wasteful number, since it uses less digits than its factorization.

10311442421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286604.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10311442421 its reverse (12424411301), we get a palindrome (22735853722).

The spelling of 10311442421 in words is "ten billion, three hundred eleven million, four hundred forty-two thousand, four hundred twenty-one".