312231302030 has 64 divisors (see below), whose sum is σ = 570869830080. Its totient is φ = 122941440000.

The previous prime is 312231301997. The next prime is 312231302039. The reversal of 312231302030 is 30203132213.

It is a junction number, because it is equal to n+sod(n) for n = 312231301993 and 312231302011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312231302039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215182805 + ... + 215184255.

It is an arithmetic number, because the mean of its divisors is an integer number (8919841095).

Almost surely, 2^312231302030 is an apocalyptic number.

312231302030 is a deficient number, since it is larger than the sum of its proper divisors (258638528050).

312231302030 is a wasteful number, since it uses less digits than its factorization.

312231302030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312231302030 its reverse (30203132213), we get a palindrome (342434434243).

The spelling of 312231302030 in words is "three hundred twelve billion, two hundred thirty-one million, three hundred two thousand, thirty".