312231430140132 has 24 divisors (see below), whose sum is σ = 728541609802272. Its totient is φ = 104076913931200.

The previous prime is 312231430140121. The next prime is 312231430140143. The reversal of 312231430140132 is 231041034132213.

It is an interprime number because it is at equal distance from previous prime (312231430140121) and next prime (312231430140143).

It is a self number, because there is not a number n which added to its sum of digits gives 312231430140132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22965594 + ... + 33939377.

It is an arithmetic number, because the mean of its divisors is an integer number (30355900408428).

Almost surely, 2^{312231430140132} is an apocalyptic number.

It is an amenable number.

312231430140132 is an abundant number, since it is smaller than the sum of its proper divisors (416310179662140).

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

312231430140132 is a wasteful number, since it uses less digits than its factorization.

312231430140132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57362219 (or 57362217 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 312231430140132 its reverse (231041034132213), we get a palindrome (543272464272345).

The spelling of 312231430140132 in words is "three hundred twelve trillion, two hundred thirty-one billion, four hundred thirty million, one hundred forty thousand, one hundred thirty-two".