630211000131 has 32 divisors (see below), whose sum is σ = 979563018240. Its totient is φ = 399922336800.

The previous prime is 630211000087. The next prime is 630211000147. The reversal of 630211000131 is 131000112036.

630211000131 is a `hidden beast` number, since 630 + 2 + 1 + 1 + 0 + 0 + 0 + 1 + 31 = 666.

It is not a de Polignac number, because 630211000131 - 2¹⁵ = 630210967363 is a prime.

It is a super-2 number, since 2×630211000131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630211000031) 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 31 ways as a sum of consecutive naturals, for example, 6120585 + ... + 6222698.

It is an arithmetic number, because the mean of its divisors is an integer number (30611344320).

Almost surely, 2^630211000131 is an apocalyptic number.

630211000131 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

630211000131 is a deficient number, since it is larger than the sum of its proper divisors (349352018109).

630211000131 is a wasteful number, since it uses less digits than its factorization.

630211000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12343384 (or 12343378 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 630211000131 its reverse (131000112036), we get a palindrome (761211112167).

The spelling of 630211000131 in words is "six hundred thirty billion, two hundred eleven million, one hundred thirty-one", and thus it is an aban number.