10005501231 has 12 divisors (see below), whose sum is σ = 15766244520. Its totient is φ = 6063940080.

The previous prime is 10005501223. The next prime is 10005501277. The reversal of 10005501231 is 13210550001.

10005501231 is a `hidden beast` number, since 100 + 0 + 550 + 12 + 3 + 1 = 666.

It is not a de Polignac number, because 10005501231 - 2³ = 10005501223 is a prime.

It is a super-2 number, since 2×10005501231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10005501221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50532736 + ... + 50532933.

It is an arithmetic number, because the mean of its divisors is an integer number (1313853710).

Almost surely, 2^10005501231 is an apocalyptic number.

10005501231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10005501231 is a deficient number, since it is larger than the sum of its proper divisors (5760743289).

10005501231 is a wasteful number, since it uses less digits than its factorization.

10005501231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101065686 (or 101065683 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The spelling of 10005501231 in words is "ten billion, five million, five hundred one thousand, two hundred thirty-one".