312311552052 has 48 divisors (see below), whose sum is σ = 768324594240. Its totient is φ = 98464810752.

The previous prime is 312311552023. The next prime is 312311552057. The reversal of 312311552052 is 250255113213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312311552057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969363 + ... + 1250714.

It is an arithmetic number, because the mean of its divisors is an integer number (16006762380).

Almost surely, 2^312311552052 is an apocalyptic number.

It is an amenable number.

312311552052 is an abundant number, since it is smaller than the sum of its proper divisors (456013042188).

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

312311552052 is a wasteful number, since it uses less digits than its factorization.

312311552052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220720 (or 2220718 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 312311552052 its reverse (250255113213), we get a palindrome (562566665265).

The spelling of 312311552052 in words is "three hundred twelve billion, three hundred eleven million, five hundred fifty-two thousand, fifty-two".