312115531277000 has 64 divisors (see below), whose sum is σ = 796745828960640. Its totient is φ = 113496556824000.

The previous prime is 312115531276973. The next prime is 312115531277027. The reversal of 312115531277000 is 772135511213.

It is an interprime number because it is at equal distance from previous prime (312115531276973) and next prime (312115531277027).

It is a super-2 number, since 2×312115531277000² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14187058604 + ... + 14187080603.

It is an arithmetic number, because the mean of its divisors is an integer number (12449153577510).

Almost surely, 2^{312115531277000} is an apocalyptic number.

It is an amenable number.

312115531277000 is an abundant number, since it is smaller than the sum of its proper divisors (484630297683640).

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

312115531277000 is a wasteful number, since it uses less digits than its factorization.

312115531277000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28374139239 (or 28374139225 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

Adding to 312115531277000 its reverse (772135511213), we get a palindrome (312887666788213).

The spelling of 312115531277000 in words is "three hundred twelve trillion, one hundred fifteen billion, five hundred thirty-one million, two hundred seventy-seven thousand".