1020311242 has 8 divisors (see below), whose sum is σ = 1553309856. Its totient is φ = 502541292.

The previous prime is 1020311231. The next prime is 1020311261. The reversal of 1020311242 is 2421130201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3806998 + ... + 3807265.

It is an arithmetic number, because the mean of its divisors is an integer number (194163732).

Almost surely, 2^1020311242 is an apocalyptic number.

1020311242 is a deficient number, since it is larger than the sum of its proper divisors (532998614).

1020311242 is an equidigital number, since it uses as much as digits as its factorization.

1020311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614332.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1020311242 is about 31942.3111562078. The cubic root of 1020311242 is about 1006.7250858358.

Adding to 1020311242 its reverse (2421130201), we get a palindrome (3441441443).

The spelling of 1020311242 in words is "one billion, twenty million, three hundred eleven thousand, two hundred forty-two".