311001001212132 has 144 divisors (see below), whose sum is σ = 991933095508992. Its totient is φ = 79806234018240.

The previous prime is 311001001212119. The next prime is 311001001212137. The reversal of 311001001212132 is 231212100100113.

311001001212132 is a `hidden beast` number, since 311 + 0 + 0 + 10 + 0 + 1 + 212 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (311001001212137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 675635728 + ... + 676095879.

It is an arithmetic number, because the mean of its divisors is an integer number (6888424274368).

Almost surely, 2^{311001001212132} is an apocalyptic number.

It is an amenable number.

311001001212132 is an abundant number, since it is smaller than the sum of its proper divisors (680932094296860).

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

311001001212132 is a wasteful number, since it uses less digits than its factorization.

311001001212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351731718 (or 1351731713 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 311001001212132 its reverse (231212100100113), we get a palindrome (542213101312245).

The spelling of 311001001212132 in words is "three hundred eleven trillion, one billion, one million, two hundred twelve thousand, one hundred thirty-two".