131030302 has 24 divisors (see below), whose sum is σ = 214033176. Its totient is φ = 59805024.

The previous prime is 131030297. The next prime is 131030303. The reversal of 131030302 is 203030131.

It is a super-2 number, since 2×131030302² = 34337880084422408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131030303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577113 + ... + 577339.

It is an arithmetic number, because the mean of its divisors is an integer number (8918049).

Almost surely, 2^131030302 is an apocalyptic number.

131030302 is a deficient number, since it is larger than the sum of its proper divisors (83002874).

131030302 is a wasteful number, since it uses less digits than its factorization.

131030302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 131030302 is about 11446.8468147346. The cubic root of 131030302 is about 507.9144641774.

Adding to 131030302 its reverse (203030131), we get a palindrome (334060433).

The spelling of 131030302 in words is "one hundred thirty-one million, thirty thousand, three hundred two".