3131231133030 has 384 divisors, whose sum is σ = 10172698398720. Its totient is φ = 598982791680.

The previous prime is 3131231133029. The next prime is 3131231133049. The reversal of 3131231133030 is 303311321313.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 147947229 + ... + 147968391.

It is an arithmetic number, because the mean of its divisors is an integer number (26491402080).

Almost surely, 2^{3131231133030} is an apocalyptic number.

3131231133030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131231133030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5086349199360).

3131231133030 is an abundant number, since it is smaller than the sum of its proper divisors (7041467265690).

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

3131231133030 is a wasteful number, since it uses less digits than its factorization.

3131231133030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21596 (or 21583 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 3131231133030 its reverse (303311321313), we get a palindrome (3434542454343).

The spelling of 3131231133030 in words is "three trillion, one hundred thirty-one billion, two hundred thirty-one million, one hundred thirty-three thousand, thirty".