10431431 has 4 divisors (see below), whose sum is σ = 10587192. Its totient is φ = 10275672.

The previous prime is 10431419. The next prime is 10431433. The reversal of 10431431 is 13413401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13413401 = 677 ⋅19813.

It is a cyclic number.

It is not a de Polignac number, because 10431431 - 2⁶ = 10431367 is a prime.

It is a super-2 number, since 2×10431431² = 217629505415522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431433) 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, 77780 + ... + 77913.

It is an arithmetic number, because the mean of its divisors is an integer number (2646798).

Almost surely, 2^10431431 is an apocalyptic number.

10431431 is a deficient number, since it is larger than the sum of its proper divisors (155761).

10431431 is an equidigital number, since it uses as much as digits as its factorization.

10431431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155760.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10431431 is about 3229.7725926139. The cubic root of 10431431 is about 218.4982501383.

Adding to 10431431 its reverse (13413401), we get a palindrome (23844832).

The spelling of 10431431 in words is "ten million, four hundred thirty-one thousand, four hundred thirty-one".