131002030 has 16 divisors (see below), whose sum is σ = 237892464. Its totient is φ = 51936640.

The previous prime is 131002009. The next prime is 131002033. The reversal of 131002030 is 30200131.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 131001998 and 131002016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56836 + ... + 59095.

It is an arithmetic number, because the mean of its divisors is an integer number (14868279).

Almost surely, 2^131002030 is an apocalyptic number.

131002030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131002030 is a deficient number, since it is larger than the sum of its proper divisors (106890434).

131002030 is a wasteful number, since it uses less digits than its factorization.

131002030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116051.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 131002030 is about 11445.6118228778. The cubic root of 131002030 is about 507.8779311760.

Adding to 131002030 its reverse (30200131), we get a palindrome (161202161).

The spelling of 131002030 in words is "one hundred thirty-one million, two thousand, thirty".