31424400103441 has 4 divisors (see below), whose sum is σ = 32790678368832. Its totient is φ = 30058121838052.

The previous prime is 31424400103409. The next prime is 31424400103457. The reversal of 31424400103441 is 14430100442413.

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 not a de Polignac number, because 31424400103441 - 2⁵ = 31424400103409 is a prime.

It is a super-2 number, since 2×31424400103441² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31424400103471) 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, 683139132661 + ... + 683139132706.

It is an arithmetic number, because the mean of its divisors is an integer number (8197669592208).

Almost surely, 2^{31424400103441} is an apocalyptic number.

It is an amenable number.

31424400103441 is a deficient number, since it is larger than the sum of its proper divisors (1366278265391).

31424400103441 is a wasteful number, since it uses less digits than its factorization.

31424400103441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366278265390.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 31424400103441 its reverse (14430100442413), we get a palindrome (45854500545854).

The spelling of 31424400103441 in words is "thirty-one trillion, four hundred twenty-four billion, four hundred million, one hundred three thousand, four hundred forty-one".