31434111213 has 8 divisors (see below), whose sum is σ = 42537703008. Its totient is φ = 20643296784.

The previous prime is 31434111211. The next prime is 31434111217. The reversal of 31434111213 is 31211143413.

It is a happy number.

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

It is not a de Polignac number, because 31434111213 - 2¹ = 31434111211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434111211) 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, 78194106 + ... + 78194507.

It is an arithmetic number, because the mean of its divisors is an integer number (5317212876).

Almost surely, 2^31434111213 is an apocalyptic number.

It is an amenable number.

31434111213 is a deficient number, since it is larger than the sum of its proper divisors (11103591795).

31434111213 is a wasteful number, since it uses less digits than its factorization.

31434111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156388683.

The product of its digits is 864, while the sum is 24.

Adding to 31434111213 its reverse (31211143413), we get a palindrome (62645254626).

The spelling of 31434111213 in words is "thirty-one billion, four hundred thirty-four million, one hundred eleven thousand, two hundred thirteen".