10520231431 has 8 divisors (see below), whose sum is σ = 11149566624. Its totient is φ = 9892062720.

The previous prime is 10520231399. The next prime is 10520231459. The reversal of 10520231431 is 13413202501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10520231431 - 2⁵ = 10520231399 is a prime.

It is a super-2 number, since 2×10520231431² (a number of 21 digits) 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 (10520231731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273010 + ... + 309151.

It is an arithmetic number, because the mean of its divisors is an integer number (1393695828).

Almost surely, 2^10520231431 is an apocalyptic number.

10520231431 is a deficient number, since it is larger than the sum of its proper divisors (629335193).

10520231431 is a wasteful number, since it uses less digits than its factorization.

10520231431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583241.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10520231431 its reverse (13413202501), we get a palindrome (23933433932).

The spelling of 10520231431 in words is "ten billion, five hundred twenty million, two hundred thirty-one thousand, four hundred thirty-one".