31134224412 has 18 divisors (see below), whose sum is σ = 78700400688. Its totient is φ = 10378074792.

The previous prime is 31134224357. The next prime is 31134224461. The reversal of 31134224412 is 21442243113.

31134224412 is a `hidden beast` number, since 311 + 342 + 2 + 4 + 4 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432419748 + ... + 432419819.

Almost surely, 2^31134224412 is an apocalyptic number.

It is an amenable number.

31134224412 is an abundant number, since it is smaller than the sum of its proper divisors (47566176276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31134224412 is a wasteful number, since it uses less digits than its factorization.

31134224412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864839577 (or 864839572 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 31134224412 its reverse (21442243113), we get a palindrome (52576467525).

The spelling of 31134224412 in words is "thirty-one billion, one hundred thirty-four million, two hundred twenty-four thousand, four hundred twelve".