1020311332242 has 64 divisors (see below), whose sum is σ = 2115410239488. Its totient is φ = 327735072000.

The previous prime is 1020311332219. The next prime is 1020311332277. The reversal of 1020311332242 is 2422331130201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50825067 + ... + 50845137.

It is an arithmetic number, because the mean of its divisors is an integer number (33053284992).

Almost surely, 2^{1020311332242} is an apocalyptic number.

1020311332242 is an abundant number, since it is smaller than the sum of its proper divisors (1095098907246).

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

1020311332242 is a wasteful number, since it uses less digits than its factorization.

1020311332242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21255.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1020311332242 its reverse (2422331130201), we get a palindrome (3442642462443).

The spelling of 1020311332242 in words is "one trillion, twenty billion, three hundred eleven million, three hundred thirty-two thousand, two hundred forty-two".