1020311332241 has 4 divisors (see below), whose sum is σ = 1025146931184. Its totient is φ = 1015475733300.

The previous prime is 1020311332219. The next prime is 1020311332277. The reversal of 1020311332241 is 1422331130201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020311332241 - 2²² = 1020307137937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020311332541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417799155 + ... + 2417799576.

It is an arithmetic number, because the mean of its divisors is an integer number (256286732796).

Almost surely, 2^{1020311332241} is an apocalyptic number.

It is an amenable number.

1020311332241 is a deficient number, since it is larger than the sum of its proper divisors (4835598943).

1020311332241 is an equidigital number, since it uses as much as digits as its factorization.

1020311332241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835598942.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1020311332241 its reverse (1422331130201), we get a palindrome (2442642462442).

The spelling of 1020311332241 in words is "one trillion, twenty billion, three hundred eleven million, three hundred thirty-two thousand, two hundred forty-one".