31234244421 has 8 divisors (see below), whose sum is σ = 43456340160. Its totient is φ = 19917489152.

The previous prime is 31234244417. The next prime is 31234244423. The reversal of 31234244421 is 12444243213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31234244421 - 2² = 31234244417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234244423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226335036 + ... + 226335173.

It is an arithmetic number, because the mean of its divisors is an integer number (5432042520).

Almost surely, 2^31234244421 is an apocalyptic number.

It is an amenable number.

31234244421 is a deficient number, since it is larger than the sum of its proper divisors (12222095739).

31234244421 is a wasteful number, since it uses less digits than its factorization.

31234244421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452670235.

The product of its digits is 18432, while the sum is 30.

Adding to 31234244421 its reverse (12444243213), we get a palindrome (43678487634).

The spelling of 31234244421 in words is "thirty-one billion, two hundred thirty-four million, two hundred forty-four thousand, four hundred twenty-one".