141015631 has 2 divisors, whose sum is σ = 141015632. Its totient is φ = 141015630.

The previous prime is 141015571. The next prime is 141015647. The reversal of 141015631 is 136510141.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141015631 is a prime.

It is a super-2 number, since 2×141015631² = 39770816372656322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141015431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70507815 + 70507816.

It is an arithmetic number, because the mean of its divisors is an integer number (70507816).

Almost surely, 2^141015631 is an apocalyptic number.

141015631 is a deficient number, since it is larger than the sum of its proper divisors (1).

141015631 is an equidigital number, since it uses as much as digits as its factorization.

141015631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 141015631 is about 11875.0002526316. Note that the first 3 decimals coincide. The cubic root of 141015631 is about 520.5020188827.

Adding to 141015631 its reverse (136510141), we get a palindrome (277525772).

The spelling of 141015631 in words is "one hundred forty-one million, fifteen thousand, six hundred thirty-one".