31552442241 has 4 divisors (see below), whose sum is σ = 42069922992. Its totient is φ = 21034961492.

The previous prime is 31552442239. The next prime is 31552442249. The reversal of 31552442241 is 14224425513.

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 31552442241 - 2¹ = 31552442239 is a prime.

It is a super-2 number, since 2×31552442241² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31552442249) 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, 5258740371 + ... + 5258740376.

It is an arithmetic number, because the mean of its divisors is an integer number (10517480748).

Almost surely, 2^31552442241 is an apocalyptic number.

It is an amenable number.

31552442241 is a deficient number, since it is larger than the sum of its proper divisors (10517480751).

31552442241 is a wasteful number, since it uses less digits than its factorization.

31552442241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10517480750.

The product of its digits is 38400, while the sum is 33.

Adding to 31552442241 its reverse (14224425513), we get a palindrome (45776867754).

The spelling of 31552442241 in words is "thirty-one billion, five hundred fifty-two million, four hundred forty-two thousand, two hundred forty-one".