83213031238 has 4 divisors (see below), whose sum is σ = 124819546860. Its totient is φ = 41606515618.

The previous prime is 83213031169. The next prime is 83213031277.

83213031238 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20803257808 + ... + 20803257811.

It is an arithmetic number, because the mean of its divisors is an integer number (31204886715).

Almost surely, 2^83213031238 is an apocalyptic number.

83213031238 is a deficient number, since it is larger than the sum of its proper divisors (41606515622).

83213031238 is a wasteful number, since it uses less digits than its factorization.

83213031238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41606515621.

The product of its (nonzero) digits is 20736, while the sum is 34.

It can be divided in two parts, 832130 and 31238, that added together give a palindrome (863368).

The spelling of 83213031238 in words is "eighty-three billion, two hundred thirteen million, thirty-one thousand, two hundred thirty-eight".