31441220344 has 32 divisors (see below), whose sum is σ = 61081459920. Its totient is φ = 15160352256.

The previous prime is 31441220341. The next prime is 31441220347. The reversal of 31441220344 is 44302214413.

It is an interprime number because it is at equal distance from previous prime (31441220341) and next prime (31441220347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441220341) 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, 436554 + ... + 503449.

Almost surely, 2^31441220344 is an apocalyptic number.

It is an amenable number.

31441220344 is a deficient number, since it is larger than the sum of its proper divisors (29640239576).

31441220344 is a wasteful number, since it uses less digits than its factorization.

31441220344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940159 (or 940155 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31441220344 its reverse (44302214413), we get a palindrome (75743434757).

The spelling of 31441220344 in words is "thirty-one billion, four hundred forty-one million, two hundred twenty thousand, three hundred forty-four".