31120330010010 has 64 divisors (see below), whose sum is σ = 78621684739200. Its totient is φ = 7861787741952.

The previous prime is 31120330009997. The next prime is 31120330010023. The reversal of 31120330010010 is 1001003302113.

It is an interprime number because it is at equal distance from previous prime (31120330009997) and next prime (31120330010023).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23686236 + ... + 24965544.

It is an arithmetic number, because the mean of its divisors is an integer number (1228463824050).

Almost surely, 2^{31120330010010} is an apocalyptic number.

31120330010010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31120330010010 is an abundant number, since it is smaller than the sum of its proper divisors (47501354729190).

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

31120330010010 is a wasteful number, since it uses less digits than its factorization.

31120330010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322015.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31120330010010 its reverse (1001003302113), we get a palindrome (32121333312123).

The spelling of 31120330010010 in words is "thirty-one trillion, one hundred twenty billion, three hundred thirty million, ten thousand, ten".