31442424413 has 4 divisors (see below), whose sum is σ = 32809486368. Its totient is φ = 30075362460.

The previous prime is 31442424407. The next prime is 31442424451.

31442424413 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31442424413 - 2¹⁶ = 31442358877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31442424413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31442424463) 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, 683530943 + ... + 683530988.

It is an arithmetic number, because the mean of its divisors is an integer number (8202371592).

Almost surely, 2^31442424413 is an apocalyptic number.

It is an amenable number.

31442424413 is a deficient number, since it is larger than the sum of its proper divisors (1367061955).

31442424413 is a wasteful number, since it uses less digits than its factorization.

31442424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367061954.

The product of its digits is 36864, while the sum is 32.

The spelling of 31442424413 in words is "thirty-one billion, four hundred forty-two million, four hundred twenty-four thousand, four hundred thirteen".