10311130242 has 48 divisors (see below), whose sum is σ = 25950904512. Its totient is φ = 2897739360.

The previous prime is 10311130217. The next prime is 10311130243. The reversal of 10311130242 is 24203111301.

10311130242 is a `hidden beast` number, since 10 + 311 + 1 + 302 + 42 = 666.

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 (10311130243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 663088 + ... + 678459.

It is an arithmetic number, because the mean of its divisors is an integer number (540643844).

Almost surely, 2^10311130242 is an apocalyptic number.

10311130242 is an abundant number, since it is smaller than the sum of its proper divisors (15639774270).

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

10311130242 is a wasteful number, since it uses less digits than its factorization.

10311130242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341623 (or 1341620 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10311130242 its reverse (24203111301), we get a palindrome (34514241543).

The spelling of 10311130242 in words is "ten billion, three hundred eleven million, one hundred thirty thousand, two hundred forty-two".