31424011031 has 4 divisors (see below), whose sum is σ = 35913155472. Its totient is φ = 26934866592.

The previous prime is 31424011019. The next prime is 31424011037. The reversal of 31424011031 is 13011042413.

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 31424011031 - 2¹⁴ = 31423994647 is a prime.

It is a super-2 number, since 2×31424011031² (a number of 22 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 = 31424010994 and 31424011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424011037) 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, 2244572210 + ... + 2244572223.

It is an arithmetic number, because the mean of its divisors is an integer number (8978288868).

Almost surely, 2^31424011031 is an apocalyptic number.

31424011031 is a deficient number, since it is larger than the sum of its proper divisors (4489144441).

31424011031 is an equidigital number, since it uses as much as digits as its factorization.

31424011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489144440.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31424011031 its reverse (13011042413), we get a palindrome (44435053444).

The spelling of 31424011031 in words is "thirty-one billion, four hundred twenty-four million, eleven thousand, thirty-one".