131313262 has 4 divisors (see below), whose sum is σ = 196969896. Its totient is φ = 65656630.

The previous prime is 131313257. The next prime is 131313263. The reversal of 131313262 is 262313131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 262313131 = 857 ⋅306083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32828314 + ... + 32828317.

It is an arithmetic number, because the mean of its divisors is an integer number (49242474).

Almost surely, 2^131313262 is an apocalyptic number.

131313262 is a deficient number, since it is larger than the sum of its proper divisors (65656634).

131313262 is an equidigital number, since it uses as much as digits as its factorization.

131313262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65656633.

The product of its digits is 648, while the sum is 22.

The square root of 131313262 is about 11459.1998848087. The cubic root of 131313262 is about 508.2798151546.

Adding to 131313262 its reverse (262313131), we get a palindrome (393626393).

The spelling of 131313262 in words is "one hundred thirty-one million, three hundred thirteen thousand, two hundred sixty-two".