9800523031 has 16 divisors (see below), whose sum is σ = 11040361920. Its totient is φ = 8632039680.

The previous prime is 9800522983. The next prime is 9800523041. The reversal of 9800523031 is 1303250089.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9800523031 - 2¹⁷ = 9800391959 is a prime.

It is a super-2 number, since 2×9800523031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9800522984 and 9800523002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9800523041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82221 + ... + 162361.

It is an arithmetic number, because the mean of its divisors is an integer number (690022620).

Almost surely, 2^9800523031 is an apocalyptic number.

9800523031 is a deficient number, since it is larger than the sum of its proper divisors (1239838889).

9800523031 is a wasteful number, since it uses less digits than its factorization.

9800523031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80586.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 9800523031 is about 98997.5910363480. The cubic root of 9800523031 is about 2140.0130309714.

The spelling of 9800523031 in words is "nine billion, eight hundred million, five hundred twenty-three thousand, thirty-one".