31311130003030 has 16 divisors (see below), whose sum is σ = 56361853978560. Its totient is φ = 12524047562752.

The previous prime is 31311130003009. The next prime is 31311130003099. The reversal of 31311130003030 is 3030003111313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31311130002989 and 31311130003007.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50229550 + ... + 50849089.

It is an arithmetic number, because the mean of its divisors is an integer number (3522615873660).

Almost surely, 2^{31311130003030} is an apocalyptic number.

31311130003030 is a deficient number, since it is larger than the sum of its proper divisors (25050723975530).

31311130003030 is a wasteful number, since it uses less digits than its factorization.

31311130003030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101109623.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 31311130003030 its reverse (3030003111313), we get a palindrome (34341133114343).

The spelling of 31311130003030 in words is "thirty-one trillion, three hundred eleven billion, one hundred thirty million, three thousand, thirty".