131000012002 has 8 divisors (see below), whose sum is σ = 196501755996. Its totient is φ = 65499426672.

The previous prime is 131000011973. The next prime is 131000012023. The reversal of 131000012002 is 200210000131.

It can be written as a sum of positive squares in 2 ways, for example, as 109467677881 + 21532334121 = 330859^2 + 146739^2 .

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

It is a super-2 number, since 2×131000012002² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131000012002.

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, 95328 + ... + 520660.

Almost surely, 2^131000012002 is an apocalyptic number.

131000012002 is a deficient number, since it is larger than the sum of its proper divisors (65501743994).

131000012002 is a wasteful number, since it uses less digits than its factorization.

131000012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579332.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 131000012002 its reverse (200210000131), we get a palindrome (331210012133).

The spelling of 131000012002 in words is "one hundred thirty-one billion, twelve thousand, two".