10265400231 has 4 divisors (see below), whose sum is σ = 13687200312. Its totient is φ = 6843600152.

The previous prime is 10265400209. The next prime is 10265400239. The reversal of 10265400231 is 13200456201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10265400231 - 2²¹ = 10263303079 is a prime.

It is a super-2 number, since 2×10265400231² (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 (10265400239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710900036 + ... + 1710900041.

It is an arithmetic number, because the mean of its divisors is an integer number (3421800078).

Almost surely, 2^10265400231 is an apocalyptic number.

10265400231 is a deficient number, since it is larger than the sum of its proper divisors (3421800081).

10265400231 is an equidigital number, since it uses as much as digits as its factorization.

10265400231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421800080.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 10265400231 its reverse (13200456201), we get a palindrome (23465856432).

The spelling of 10265400231 in words is "ten billion, two hundred sixty-five million, four hundred thousand, two hundred thirty-one".