10205023131 has 6 divisors (see below), whose sum is σ = 14740588980. Its totient is φ = 6803348748.

The previous prime is 10205023099. The next prime is 10205023159. The reversal of 10205023131 is 13132050201.

10205023131 is a `hidden beast` number, since 10 + 20 + 502 + 3 + 131 = 666.

It is not a de Polignac number, because 10205023131 - 2⁵ = 10205023099 is a prime.

It is a super-2 number, since 2×10205023131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10205023931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566945721 + ... + 566945738.

It is an arithmetic number, because the mean of its divisors is an integer number (2456764830).

Almost surely, 2^10205023131 is an apocalyptic number.

10205023131 is a deficient number, since it is larger than the sum of its proper divisors (4535565849).

10205023131 is a wasteful number, since it uses less digits than its factorization.

10205023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133891465 (or 1133891462 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 10205023131 its reverse (13132050201), we get a palindrome (23337073332).

The spelling of 10205023131 in words is "ten billion, two hundred five million, twenty-three thousand, one hundred thirty-one".