1020323231042 has 8 divisors (see below), whose sum is σ = 1530916344336. Its totient is φ = 510017782932.

The previous prime is 1020323231041. The next prime is 1020323231089. The reversal of 1020323231042 is 2401323230201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1020323230999 and 1020323231017.

It is not an unprimeable number, because it can be changed into a prime (1020323231041) 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, 71907428 + ... + 71921615.

It is an arithmetic number, because the mean of its divisors is an integer number (191364543042).

Almost surely, 2^{1020323231042} is an apocalyptic number.

1020323231042 is a deficient number, since it is larger than the sum of its proper divisors (510593113294).

1020323231042 is a wasteful number, since it uses less digits than its factorization.

1020323231042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143832592.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1020323231042 its reverse (2401323230201), we get a palindrome (3421646461243).

The spelling of 1020323231042 in words is "one trillion, twenty billion, three hundred twenty-three million, two hundred thirty-one thousand, forty-two".