29231186312 has 32 divisors (see below), whose sum is σ = 57232154880. Its totient is φ = 13970183040.

The previous prime is 29231186311. The next prime is 29231186317. The reversal of 29231186312 is 21368113292.

It is a super-2 number, since 2×29231186312² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29231186311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206012 + ... + 317652.

It is an arithmetic number, because the mean of its divisors is an integer number (1788504840).

Almost surely, 2^29231186312 is an apocalyptic number.

It is an amenable number.

29231186312 is a deficient number, since it is larger than the sum of its proper divisors (28000968568).

29231186312 is a wasteful number, since it uses less digits than its factorization.

29231186312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113093 (or 113089 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The spelling of 29231186312 in words is "twenty-nine billion, two hundred thirty-one million, one hundred eighty-six thousand, three hundred twelve".