141970531 has 2 divisors, whose sum is σ = 141970532. Its totient is φ = 141970530.

The previous prime is 141970523. The next prime is 141970537. The reversal of 141970531 is 135079141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141970531 - 2³ = 141970523 is a prime.

It is a super-2 number, since 2×141970531² = 40311263344843922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 141970493 and 141970502.

It is not a weakly prime, because it can be changed into another prime (141970537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70985265 + 70985266.

It is an arithmetic number, because the mean of its divisors is an integer number (70985266).

Almost surely, 2^141970531 is an apocalyptic number.

141970531 is a deficient number, since it is larger than the sum of its proper divisors (1).

141970531 is an equidigital number, since it uses as much as digits as its factorization.

141970531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 141970531 is about 11915.1387318822. The cubic root of 141970531 is about 521.6742522666.

The spelling of 141970531 in words is "one hundred forty-one million, nine hundred seventy thousand, five hundred thirty-one".