1002152112431 has 4 divisors (see below), whose sum is σ = 1002233093712. Its totient is φ = 1002071131152.

The previous prime is 1002152112427. The next prime is 1002152112487. The reversal of 1002152112431 is 1342112512001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002152112431 - 2² = 1002152112427 is a prime.

It is a super-3 number, since 3×1002152112431³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002152112397 and 1002152112406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002152118431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40472075 + ... + 40496828.

It is an arithmetic number, because the mean of its divisors is an integer number (250558273428).

Almost surely, 2^{1002152112431} is an apocalyptic number.

1002152112431 is a deficient number, since it is larger than the sum of its proper divisors (80981281).

1002152112431 is an equidigital number, since it uses as much as digits as its factorization.

1002152112431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80981280.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1002152112431 its reverse (1342112512001), we get a palindrome (2344264624432).

The spelling of 1002152112431 in words is "one trillion, two billion, one hundred fifty-two million, one hundred twelve thousand, four hundred thirty-one".