1021344015342 has 64 divisors (see below), whose sum is σ = 2495822644224. Its totient is φ = 271980633600.

The previous prime is 1021344015323. The next prime is 1021344015409. The reversal of 1021344015342 is 2435104431201.

It is a congruent number.

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, 6870409 + ... + 7017492.

It is an arithmetic number, because the mean of its divisors is an integer number (38997228816).

Almost surely, 2^{1021344015342} is an apocalyptic number.

1021344015342 is an abundant number, since it is smaller than the sum of its proper divisors (1474478628882).

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

1021344015342 is a wasteful number, since it uses less digits than its factorization.

1021344015342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13888033.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1021344015342 its reverse (2435104431201), we get a palindrome (3456448446543).

The spelling of 1021344015342 in words is "one trillion, twenty-one billion, three hundred forty-four million, fifteen thousand, three hundred forty-two".