141371531 has 4 divisors (see below), whose sum is σ = 161567472. Its totient is φ = 121175592.

The previous prime is 141371521. The next prime is 141371537. The reversal of 141371531 is 135173141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135173141 = 211 ⋅640631.

It is a cyclic number.

It is not a de Polignac number, because 141371531 - 2¹⁸ = 141109387 is a prime.

It is a super-2 number, since 2×141371531² = 39971819554567922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141371531.

It is not an unprimeable number, because it can be changed into a prime (141371537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10097960 + ... + 10097973.

It is an arithmetic number, because the mean of its divisors is an integer number (40391868).

Almost surely, 2^141371531 is an apocalyptic number.

141371531 is a deficient number, since it is larger than the sum of its proper divisors (20195941).

141371531 is an equidigital number, since it uses as much as digits as its factorization.

141371531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195940.

The product of its digits is 1260, while the sum is 26.

The square root of 141371531 is about 11889.9760723056. The cubic root of 141371531 is about 520.9395378571.

The spelling of 141371531 in words is "one hundred forty-one million, three hundred seventy-one thousand, five hundred thirty-one".