1020042321310 has 32 divisors (see below), whose sum is σ = 1895539283712. Its totient is φ = 394806167040.

The previous prime is 1020042321283. The next prime is 1020042321323. The reversal of 1020042321310 is 131232400201.

It is a happy number.

It is a super-2 number, since 2×1020042321310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2353734 + ... + 2753206.

It is an arithmetic number, because the mean of its divisors is an integer number (59235602616).

Almost surely, 2^{1020042321310} is an apocalyptic number.

1020042321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020042321310 is a deficient number, since it is larger than the sum of its proper divisors (875496962402).

1020042321310 is a wasteful number, since it uses less digits than its factorization.

1020042321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407748.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1020042321310 its reverse (131232400201), we get a palindrome (1151274721511).

The spelling of 1020042321310 in words is "one trillion, twenty billion, forty-two million, three hundred twenty-one thousand, three hundred ten".