31011000213 has 8 divisors (see below), whose sum is σ = 41348911968. Its totient is φ = 20673544304.

The previous prime is 31011000203. The next prime is 31011000259. The reversal of 31011000213 is 31200011013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31011000213 - 2¹⁰ = 31010999189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31011000203) by changing a digit.

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, 104731 + ... + 270167.

It is an arithmetic number, because the mean of its divisors is an integer number (5168613996).

Almost surely, 2^31011000213 is an apocalyptic number.

It is an amenable number.

31011000213 is a deficient number, since it is larger than the sum of its proper divisors (10337911755).

31011000213 is a wasteful number, since it uses less digits than its factorization.

31011000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227923.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 31011000213 its reverse (31200011013), we get a palindrome (62211011226).

The spelling of 31011000213 in words is "thirty-one billion, eleven million, two hundred thirteen", and thus it is an aban number.