131002016 has 12 divisors (see below), whose sum is σ = 257910282. Its totient is φ = 65500992.

The previous prime is 131002009. The next prime is 131002033. The reversal of 131002016 is 610200131.

It can be written as a sum of positive squares in only one way, i.e., 70224400 + 60777616 = 8380^2 + 7796^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2046875 + ... + 2046938.

Almost surely, 2^131002016 is an apocalyptic number.

131002016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131002016 is a deficient number, since it is larger than the sum of its proper divisors (126908266).

131002016 is an equidigital number, since it uses as much as digits as its factorization.

131002016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093823 (or 4093815 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131002016 is about 11445.6112112897. The cubic root of 131002016 is about 507.8779130839.

Adding to 131002016 its reverse (610200131), we get a palindrome (741202147).

The spelling of 131002016 in words is "one hundred thirty-one million, two thousand, sixteen".