1011031442330 has 48 divisors (see below), whose sum is σ = 2252130251904. Its totient is φ = 319974782400.

The previous prime is 1011031442269. The next prime is 1011031442347. The reversal of 1011031442330 is 332441301101.

It is a junction number, because it is equal to n+sod(n) for n = 1011031442296 and 1011031442305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42719846 + ... + 42743505.

It is an arithmetic number, because the mean of its divisors is an integer number (46919380248).

Almost surely, 2^{1011031442330} is an apocalyptic number.

1011031442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011031442330 is an abundant number, since it is smaller than the sum of its proper divisors (1241098809574).

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

1011031442330 is a wasteful number, since it uses less digits than its factorization.

1011031442330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85463391 (or 85463378 counting only the distinct ones).

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

Adding to 1011031442330 its reverse (332441301101), we get a palindrome (1343472743431).

The spelling of 1011031442330 in words is "one trillion, eleven billion, thirty-one million, four hundred forty-two thousand, three hundred thirty".