13031041442 has 4 divisors (see below), whose sum is σ = 19546562166. Its totient is φ = 6515520720.

The previous prime is 13031041421. The next prime is 13031041459. The reversal of 13031041442 is 24414013031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24414013031 = 12569 ⋅1942399.

It can be written as a sum of positive squares in only one way, i.e., 12887017441 + 144024001 = 113521^2 + 12001^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257760359 + ... + 3257760362.

Almost surely, 2^13031041442 is an apocalyptic number.

13031041442 is a deficient number, since it is larger than the sum of its proper divisors (6515520724).

13031041442 is an equidigital number, since it uses as much as digits as its factorization.

13031041442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515520723.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13031041442 its reverse (24414013031), we get a palindrome (37445054473).

The spelling of 13031041442 in words is "thirteen billion, thirty-one million, forty-one thousand, four hundred forty-two".