31011133302130 has 64 divisors (see below), whose sum is σ = 60563986392672. Its totient is φ = 11386480066560.

The previous prime is 31011133302109. The next prime is 31011133302137. The reversal of 31011133302130 is 3120333111013.

It can be written as a sum of positive squares in 16 ways, for example, as 14556338586729 + 16454794715401 = 3815277^2 + 4056451^2 .

It is not an unprimeable number, because it can be changed into a prime (31011133302137) by changing a digit.

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, 21730972 + ... + 23114008.

Almost surely, 2^{31011133302130} is an apocalyptic number.

31011133302130 is a deficient number, since it is larger than the sum of its proper divisors (29552853090542).

31011133302130 is a wasteful number, since it uses less digits than its factorization.

31011133302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386319.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31011133302130 its reverse (3120333111013), we get a palindrome (34131466413143).

The spelling of 31011133302130 in words is "thirty-one trillion, eleven billion, one hundred thirty-three million, three hundred two thousand, one hundred thirty".