10131311431 has 4 divisors (see below), whose sum is σ = 10143106600. Its totient is φ = 10119516264.

The previous prime is 10131311429. The next prime is 10131311507. The reversal of 10131311431 is 13411313101.

It is a happy number.

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 10131311431 - 2¹ = 10131311429 is a prime.

It is a super-2 number, since 2×10131311431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10131311399 and 10131311408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131311131) 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, 5896296 + ... + 5898013.

It is an arithmetic number, because the mean of its divisors is an integer number (2535776650).

Almost surely, 2^10131311431 is an apocalyptic number.

10131311431 is a deficient number, since it is larger than the sum of its proper divisors (11795169).

10131311431 is an equidigital number, since it uses as much as digits as its factorization.

10131311431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11795168.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 10131311431 its reverse (13411313101), we get a palindrome (23542624532).

The spelling of 10131311431 in words is "ten billion, one hundred thirty-one million, three hundred eleven thousand, four hundred thirty-one".