213031031140 has 48 divisors (see below), whose sum is σ = 450190157760. Its totient is φ = 84675588480.

The previous prime is 213031031123. The next prime is 213031031141. The reversal of 213031031140 is 41130130312.

It is not an unprimeable number, because it can be changed into a prime (213031031141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2674206 + ... + 2752714.

It is an arithmetic number, because the mean of its divisors is an integer number (9378961620).

Almost surely, 2^213031031140 is an apocalyptic number.

213031031140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213031031140 is an abundant number, since it is smaller than the sum of its proper divisors (237159126620).

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

213031031140 is a wasteful number, since it uses less digits than its factorization.

213031031140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79372 (or 79370 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213031031140 its reverse (41130130312), we get a palindrome (254161161452).

The spelling of 213031031140 in words is "two hundred thirteen billion, thirty-one million, thirty-one thousand, one hundred forty".