131002741 has 4 divisors (see below), whose sum is σ = 131040832. Its totient is φ = 130964652.

The previous prime is 131002723. The next prime is 131002759. The reversal of 131002741 is 147200131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (131002723) and next prime (131002759).

It is a cyclic number.

It is not a de Polignac number, because 131002741 - 2⁵ = 131002709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131006741) 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, 13311 + ... + 20956.

It is an arithmetic number, because the mean of its divisors is an integer number (32760208).

Almost surely, 2^131002741 is an apocalyptic number.

It is an amenable number.

131002741 is a deficient number, since it is larger than the sum of its proper divisors (38091).

131002741 is an equidigital number, since it uses as much as digits as its factorization.

131002741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38090.

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

The square root of 131002741 is about 11445.6428827742. The cubic root of 131002741 is about 507.8788499927.

Adding to 131002741 its reverse (147200131), we get a palindrome (278202872).

The spelling of 131002741 in words is "one hundred thirty-one million, two thousand, seven hundred forty-one".