2131041040 has 40 divisors (see below), whose sum is σ = 4962157848. Its totient is φ = 851128320.

The previous prime is 2131040993. The next prime is 2131041041. The reversal of 2131041040 is 401401312.

It can be written as a sum of positive squares in 4 ways, for example, as 217503504 + 1913537536 = 14748^2 + 43744^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×2131041040³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2131041041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34050 + ... + 73630.

Almost surely, 2^2131041040 is an apocalyptic number.

2131041040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131041040 is an abundant number, since it is smaller than the sum of its proper divisors (2831116808).

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

2131041040 is a wasteful number, since it uses less digits than its factorization.

2131041040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40267 (or 40261 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2131041040 is about 46163.2000623874. The cubic root of 2131041040 is about 1286.8579340468.

Adding to 2131041040 its reverse (401401312), we get a palindrome (2532442352).

The spelling of 2131041040 in words is "two billion, one hundred thirty-one million, forty-one thousand, forty".