20311423321334 has 32 divisors (see below), whose sum is σ = 31983898567680. Its totient is φ = 9661257223200.

The previous prime is 20311423321327. The next prime is 20311423321391. The reversal of 20311423321334 is 43312332411302.

It is a self number, because there is not a number n which added to its sum of digits gives 20311423321334.

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, 197813552 + ... + 197916204.

It is an arithmetic number, because the mean of its divisors is an integer number (999496830240).

Almost surely, 2^{20311423321334} is an apocalyptic number.

20311423321334 is a deficient number, since it is larger than the sum of its proper divisors (11672475246346).

20311423321334 is a wasteful number, since it uses less digits than its factorization.

20311423321334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156836.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 20311423321334 its reverse (43312332411302), we get a palindrome (63623755732636).

The spelling of 20311423321334 in words is "twenty trillion, three hundred eleven billion, four hundred twenty-three million, three hundred twenty-one thousand, three hundred thirty-four".