31211434006 has 8 divisors (see below), whose sum is σ = 46863098280. Its totient is φ = 15590401248.

The previous prime is 31211434003. The next prime is 31211434013. The reversal of 31211434006 is 60043411213.

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

It is a super-2 number, since 2×31211434006² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31211434003) 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, 7655331 + ... + 7659406.

It is an arithmetic number, because the mean of its divisors is an integer number (5857887285).

Almost surely, 2^31211434006 is an apocalyptic number.

31211434006 is a deficient number, since it is larger than the sum of its proper divisors (15651664274).

31211434006 is a wasteful number, since it uses less digits than its factorization.

31211434006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15315758.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31211434006 its reverse (60043411213), we get a palindrome (91254845219).

The spelling of 31211434006 in words is "thirty-one billion, two hundred eleven million, four hundred thirty-four thousand, six".