1002131101231 has 8 divisors (see below), whose sum is σ = 1079409572640. Its totient is φ = 924879981792.

The previous prime is 1002131101229. The next prime is 1002131101243. The reversal of 1002131101231 is 1321011312001.

It is a happy number.

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

It is not a de Polignac number, because 1002131101231 - 2¹ = 1002131101229 is a prime.

It is a super-2 number, since 2×1002131101231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002131101291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6761860 + ... + 6908473.

It is an arithmetic number, because the mean of its divisors is an integer number (134926196580).

Almost surely, 2^{1002131101231} is an apocalyptic number.

1002131101231 is a deficient number, since it is larger than the sum of its proper divisors (77278471409).

1002131101231 is a wasteful number, since it uses less digits than its factorization.

1002131101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13675985.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1002131101231 its reverse (1321011312001), we get a palindrome (2323142413232).

The spelling of 1002131101231 in words is "one trillion, two billion, one hundred thirty-one million, one hundred one thousand, two hundred thirty-one".