3131030222000 has 160 divisors (see below), whose sum is σ = 7612083670464. Its totient is φ = 1245606912000.

The previous prime is 3131030221903. The next prime is 3131030222003. The reversal of 3131030222000 is 2220301313.

It is a self number, because there is not a number n which added to its sum of digits gives 3131030222000.

It is not an unprimeable number, because it can be changed into a prime (3131030222003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280276415 + ... + 280287585.

Almost surely, 2^{3131030222000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131030222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3806041835232).

3131030222000 is an abundant number, since it is smaller than the sum of its proper divisors (4481053448464).

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

3131030222000 is a wasteful number, since it uses less digits than its factorization.

3131030222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11944 (or 11928 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 3131030222000 its reverse (2220301313), we get a palindrome (3133250523313).

The spelling of 3131030222000 in words is "three trillion, one hundred thirty-one billion, thirty million, two hundred twenty-two thousand".