1012302112331 has 4 divisors (see below), whose sum is σ = 1025116063200. Its totient is φ = 999488161464.

The previous prime is 1012302112321. The next prime is 1012302112333. The reversal of 1012302112331 is 1332112032101.

It is a happy number.

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 1012302112331 - 2²⁶ = 1012235003467 is a prime.

It is a super-2 number, since 2×1012302112331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012302112333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6406975316 + ... + 6406975473.

It is an arithmetic number, because the mean of its divisors is an integer number (256279015800).

Almost surely, 2^{1012302112331} is an apocalyptic number.

1012302112331 is a deficient number, since it is larger than the sum of its proper divisors (12813950869).

1012302112331 is an equidigital number, since it uses as much as digits as its factorization.

1012302112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12813950868.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1012302112331 its reverse (1332112032101), we get a palindrome (2344414144432).

The spelling of 1012302112331 in words is "one trillion, twelve billion, three hundred two million, one hundred twelve thousand, three hundred thirty-one".