131001021002 has 8 divisors (see below), whose sum is σ = 200682415296. Its totient is φ = 64106882572.

The previous prime is 131001020971. The next prime is 131001021017. The reversal of 131001021002 is 200120100131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131001021002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696813848 + ... + 696814035.

It is an arithmetic number, because the mean of its divisors is an integer number (25085301912).

Almost surely, 2^131001021002 is an apocalyptic number.

131001021002 is a deficient number, since it is larger than the sum of its proper divisors (69681394294).

131001021002 is a wasteful number, since it uses less digits than its factorization.

131001021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393627932.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 131001021002 its reverse (200120100131), we get a palindrome (331121121133).

The spelling of 131001021002 in words is "one hundred thirty-one billion, one million, twenty-one thousand, two".