2031541155 has 80 divisors (see below), whose sum is σ = 4175069184. Its totient is φ = 925784640.

The previous prime is 2031541153. The next prime is 2031541189. The reversal of 2031541155 is 5511451302.

It is not a de Polignac number, because 2031541155 - 2¹ = 2031541153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2031541153) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1084870 + ... + 1086740.

Almost surely, 2^2031541155 is an apocalyptic number.

2031541155 is an abundant number, since it is smaller than the sum of its proper divisors (2143528029).

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

2031541155 is a wasteful number, since it uses less digits than its factorization.

2031541155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2031541155 is about 45072.6209022728. The cubic root of 2031541155 is about 1266.5097619205.

Adding to 2031541155 its reverse (5511451302), we get a palindrome (7542992457).

The spelling of 2031541155 in words is "two billion, thirty-one million, five hundred forty-one thousand, one hundred fifty-five".