312131150652 has 12 divisors (see below), whose sum is σ = 728306018216. Its totient is φ = 104043716880.

The previous prime is 312131150641. The next prime is 312131150677. The reversal of 312131150652 is 256051131213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13005464599 + ... + 13005464622.

Almost surely, 2^312131150652 is an apocalyptic number.

It is an amenable number.

312131150652 is an abundant number, since it is smaller than the sum of its proper divisors (416174867564).

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

312131150652 is a wasteful number, since it uses less digits than its factorization.

312131150652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26010929228 (or 26010929226 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 312131150652 its reverse (256051131213), we get a palindrome (568182281865).

The spelling of 312131150652 in words is "three hundred twelve billion, one hundred thirty-one million, one hundred fifty thousand, six hundred fifty-two".