2131031301030 has 24 divisors (see below), whose sum is σ = 5540681382912. Its totient is φ = 568275013584.

The previous prime is 2131031301013. The next prime is 2131031301037. The reversal of 2131031301030 is 301031301312.

It is a happy number.

2131031301030 is a `hidden beast` number, since 2 + 1 + 310 + 313 + 0 + 10 + 30 = 666.

It is a super-2 number, since 2×2131031301030² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2131031300994 and 2131031301012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131031301037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11839062694 + ... + 11839062873.

It is an arithmetic number, because the mean of its divisors is an integer number (230861724288).

Almost surely, 2^{2131031301030} is an apocalyptic number.

2131031301030 is an abundant number, since it is smaller than the sum of its proper divisors (3409650081882).

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

2131031301030 is a wasteful number, since it uses less digits than its factorization.

2131031301030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23678125580 (or 23678125577 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 2131031301030 its reverse (301031301312), we get a palindrome (2432062602342).

The spelling of 2131031301030 in words is "two trillion, one hundred thirty-one billion, thirty-one million, three hundred one thousand, thirty".