141023531961 has 27 divisors (see below), whose sum is σ = 220598177709. Its totient is φ = 86774699232.

The previous prime is 141023531951. The next prime is 141023531969. The reversal of 141023531961 is 169135320141.

The square root of 141023531961 is 375531.

It is a perfect power (a square), and thus also a powerful number.

141023531961 is a `hidden beast` number, since 1 + 4 + 10 + 23 + 531 + 96 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11751644025 + 129271887936 = 108405^2 + 359544^2 .

It is not a de Polignac number, because 141023531961 - 2⁷ = 141023531833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141023531969) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14640895 + ... + 14650523.

Almost surely, 2^141023531961 is an apocalyptic number.

141023531961 is the 375531-st square number.

141023531961 is the 187766-th centered octagonal number.

It is an amenable number.

141023531961 is a deficient number, since it is larger than the sum of its proper divisors (79574645748).

141023531961 is an frugal number, since it uses more digits than its factorization.

141023531961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19290 (or 9645 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

Multiplying 141023531961 by its sum of digits (36), we get a square (5076847150596 = 2253186²).

The spelling of 141023531961 in words is "one hundred forty-one billion, twenty-three million, five hundred thirty-one thousand, nine hundred sixty-one".