141020731 has 2 divisors, whose sum is σ = 141020732. Its totient is φ = 141020730.

The previous prime is 141020701. The next prime is 141020741. The reversal of 141020731 is 137020141.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141020731 is a prime.

It is a super-2 number, since 2×141020731² = 39773693143548722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 141020699 and 141020708.

It is not a weakly prime, because it can be changed into another prime (141020701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70510365 + 70510366.

It is an arithmetic number, because the mean of its divisors is an integer number (70510366).

Almost surely, 2^141020731 is an apocalyptic number.

141020731 is a deficient number, since it is larger than the sum of its proper divisors (1).

141020731 is an equidigital number, since it uses as much as digits as its factorization.

141020731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 141020731 is about 11875.2149875276. The cubic root of 141020731 is about 520.5082936677.

Adding to 141020731 its reverse (137020141), we get a palindrome (278040872).

The spelling of 141020731 in words is "one hundred forty-one million, twenty thousand, seven hundred thirty-one".