1312312031030 has 64 divisors (see below), whose sum is σ = 3171573715968. Its totient is φ = 377568293760.

The previous prime is 1312312031003. The next prime is 1312312031059. The reversal of 1312312031030 is 301302132131.

It is a junction number, because it is equal to n+sod(n) for n = 1312312030993 and 1312312031011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65540042 + ... + 65560061.

It is an arithmetic number, because the mean of its divisors is an integer number (49555839312).

Almost surely, 2^{1312312031030} is an apocalyptic number.

1312312031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312312031030 is an abundant number, since it is smaller than the sum of its proper divisors (1859261684938).

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

1312312031030 is a wasteful number, since it uses less digits than its factorization.

1312312031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131100141.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1312312031030 its reverse (301302132131), we get a palindrome (1613614163161).

The spelling of 1312312031030 in words is "one trillion, three hundred twelve billion, three hundred twelve million, thirty-one thousand, thirty".