10311011442 has 24 divisors (see below), whose sum is σ = 22369456044. Its totient is φ = 3432552864.

The previous prime is 10311011407. The next prime is 10311011443. The reversal of 10311011442 is 24411011301.

10311011442 is a `hidden beast` number, since 103 + 110 + 11 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10201202001 + 109809441 = 101001^2 + 10479^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10311011443) 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, 356613 + ... + 384440.

Almost surely, 2^10311011442 is an apocalyptic number.

10311011442 is an abundant number, since it is smaller than the sum of its proper divisors (12058444602).

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

10311011442 is a wasteful number, since it uses less digits than its factorization.

10311011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741834 (or 741831 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10311011442 its reverse (24411011301), we get a palindrome (34722022743).

The spelling of 10311011442 in words is "ten billion, three hundred eleven million, eleven thousand, four hundred forty-two".