83000231031 has 16 divisors (see below), whose sum is σ = 115517376000. Its totient is φ = 52909903200.

The previous prime is 83000231029. The next prime is 83000231081. The reversal of 83000231031 is 13013200038.

It is a happy number.

It is not a de Polignac number, because 83000231031 - 2¹ = 83000231029 is a prime.

It is a super-2 number, since 2×83000231031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83000230989 and 83000231007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83000231081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6381 + ... + 407481.

It is an arithmetic number, because the mean of its divisors is an integer number (7219836000).

Almost surely, 2^83000231031 is an apocalyptic number.

83000231031 is a deficient number, since it is larger than the sum of its proper divisors (32517144969).

83000231031 is a wasteful number, since it uses less digits than its factorization.

83000231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404126.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 83000231031 its reverse (13013200038), we get a palindrome (96013431069).

The spelling of 83000231031 in words is "eighty-three billion, two hundred thirty-one thousand, thirty-one".