1013311242 has 32 divisors (see below), whose sum is σ = 2255621760. Its totient is φ = 337197600.

The previous prime is 1013311241. The next prime is 1013311279. The reversal of 1013311242 is 2421133101.

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 (1013311241) 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, 16843 + ... + 48065.

It is an arithmetic number, because the mean of its divisors is an integer number (70488180).

Almost surely, 2^1013311242 is an apocalyptic number.

1013311242 is an abundant number, since it is smaller than the sum of its proper divisors (1242310518).

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

1013311242 is a wasteful number, since it uses less digits than its factorization.

1013311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31835 (or 31829 counting only the distinct ones).

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

The square root of 1013311242 is about 31832.5500392287. The cubic root of 1013311242 is about 1004.4175372954.

Adding to 1013311242 its reverse (2421133101), we get a palindrome (3434444343).

The spelling of 1013311242 in words is "one billion, thirteen million, three hundred eleven thousand, two hundred forty-two".