312030131132 has 24 divisors (see below), whose sum is σ = 578228195664. Its totient is φ = 146823812352.

The previous prime is 312030131117. The next prime is 312030131137. The reversal of 312030131132 is 231131030213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312030131137) 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, 525203 + ... + 948629.

It is an arithmetic number, because the mean of its divisors is an integer number (24092841486).

Almost surely, 2^312030131132 is an apocalyptic number.

It is an amenable number.

312030131132 is a deficient number, since it is larger than the sum of its proper divisors (266198064532).

312030131132 is a wasteful number, since it uses less digits than its factorization.

312030131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434285 (or 434283 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 312030131132 its reverse (231131030213), we get a palindrome (543161161345).

The spelling of 312030131132 in words is "three hundred twelve billion, thirty million, one hundred thirty-one thousand, one hundred thirty-two".