10197839531 has 16 divisors (see below), whose sum is σ = 11516947200. Its totient is φ = 8944538400.

The previous prime is 10197839527. The next prime is 10197839557. The reversal of 10197839531 is 13593879101.

It is a cyclic number.

It is not a de Polignac number, because 10197839531 - 2² = 10197839527 is a prime.

It is a super-2 number, since 2×10197839531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10197839501) 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, 454466 + ... + 476376.

It is an arithmetic number, because the mean of its divisors is an integer number (719809200).

Almost surely, 2^10197839531 is an apocalyptic number.

10197839531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10197839531 is a deficient number, since it is larger than the sum of its proper divisors (1319107669).

10197839531 is a wasteful number, since it uses less digits than its factorization.

10197839531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23410.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 10197839531 in words is "ten billion, one hundred ninety-seven million, eight hundred thirty-nine thousand, five hundred thirty-one".