2141655531 has 32 divisors (see below), whose sum is σ = 2945936448. Its totient is φ = 1383505920.

The previous prime is 2141655521. The next prime is 2141655559. The reversal of 2141655531 is 1355561412.

It is not a de Polignac number, because 2141655531 - 2¹⁴ = 2141639147 is a prime.

It is a super-2 number, since 2×2141655531² = 9173376826925783922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2141655492 and 2141655501.

It is not an unprimeable number, because it can be changed into a prime (2141655521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3844705 + ... + 3845261.

It is an arithmetic number, because the mean of its divisors is an integer number (92060514).

Almost surely, 2^2141655531 is an apocalyptic number.

2141655531 is a deficient number, since it is larger than the sum of its proper divisors (804280917).

2141655531 is a wasteful number, since it uses less digits than its factorization.

2141655531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its digits is 18000, while the sum is 33.

The square root of 2141655531 is about 46278.0242771880. The cubic root of 2141655531 is about 1288.9909644405.

The spelling of 2141655531 in words is "two billion, one hundred forty-one million, six hundred fifty-five thousand, five hundred thirty-one".