31033111011130 has 16 divisors (see below), whose sum is σ = 56143151091720. Its totient is φ = 12350233010752.

The previous prime is 31033111011127. The next prime is 31033111011143. The reversal of 31033111011130 is 3111011133013.

It can be written as a sum of positive squares in 4 ways, for example, as 30638250843489 + 394860167641 = 5535183^2 + 628379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31033111011098 and 31033111011107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7876422145 + ... + 7876426084.

Almost surely, 2^{31033111011130} is an apocalyptic number.

31033111011130 is a deficient number, since it is larger than the sum of its proper divisors (25110040080590).

31033111011130 is a wasteful number, since it uses less digits than its factorization.

31033111011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15752848433.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 31033111011130 its reverse (3111011133013), we get a palindrome (34144122144143).

The spelling of 31033111011130 in words is "thirty-one trillion, thirty-three billion, one hundred eleven million, eleven thousand, one hundred thirty".