2131236030 has 64 divisors (see below), whose sum is σ = 6377107968. Its totient is φ = 442853760.

The previous prime is 2131236011. The next prime is 2131236049. The reversal of 2131236030 is 306321312.

It is an interprime number because it is at equal distance from previous prime (2131236011) and next prime (2131236049).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2131235988 and 2131236006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458997 + ... + 463616.

It is an arithmetic number, because the mean of its divisors is an integer number (99642312).

Almost surely, 2^2131236030 is an apocalyptic number.

2131236030 is an abundant number, since it is smaller than the sum of its proper divisors (4245871938).

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

2131236030 is a wasteful number, since it uses less digits than its factorization.

2131236030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922641.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2131236030 is about 46165.3119777176. The cubic root of 2131236030 is about 1286.8971819654.

Adding to 2131236030 its reverse (306321312), we get a palindrome (2437557342).

The spelling of 2131236030 in words is "two billion, one hundred thirty-one million, two hundred thirty-six thousand, thirty".