1312312320030 has 64 divisors (see below), whose sum is σ = 3196289875968. Its totient is φ = 344788945920.

The previous prime is 1312312320029. The next prime is 1312312320037. The reversal of 1312312320030 is 300232132131.

It is a super-2 number, since 2×1312312320030² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312312319979 and 1312312320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312312320037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362206 + ... + 1660065.

It is an arithmetic number, because the mean of its divisors is an integer number (49942029312).

Almost surely, 2^{1312312320030} is an apocalyptic number.

1312312320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312312320030 is an abundant number, since it is smaller than the sum of its proper divisors (1883977555938).

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

1312312320030 is a wasteful number, since it uses less digits than its factorization.

1312312320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022601.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1312312320030 its reverse (300232132131), we get a palindrome (1612544452161).

The spelling of 1312312320030 in words is "one trillion, three hundred twelve billion, three hundred twelve million, three hundred twenty thousand, thirty".