10261431 has 16 divisors (see below), whose sum is σ = 15256800. Its totient is φ = 6816384.

The previous prime is 10261423. The next prime is 10261451. The reversal of 10261431 is 13416201.

It is a happy number.

It is not a de Polignac number, because 10261431 - 2³ = 10261423 is a prime.

It is a super-2 number, since 2×10261431² = 210593932335522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10261451) 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, 10015 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (953550).

Almost surely, 2^10261431 is an apocalyptic number.

10261431 is a deficient number, since it is larger than the sum of its proper divisors (4995369).

10261431 is an equidigital number, since it uses as much as digits as its factorization.

10261431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10261431 is about 3203.3468435372. The cubic root of 10261431 is about 217.3047951308.

Adding to 10261431 its reverse (13416201), we get a palindrome (23677632).

The spelling of 10261431 in words is "ten million, two hundred sixty-one thousand, four hundred thirty-one".