1002145403231 has 16 divisors (see below), whose sum is σ = 1165281742080. Its totient is φ = 844016259840.

The previous prime is 1002145403143. The next prime is 1002145403243. The reversal of 1002145403231 is 1323045412001.

It is a happy number.

1002145403231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002145403231 is a prime.

It is a super-2 number, since 2×1002145403231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002145403231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002145403531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276440 + ... + 1442466.

It is an arithmetic number, because the mean of its divisors is an integer number (72830108880).

Almost surely, 2^{1002145403231} is an apocalyptic number.

1002145403231 is a deficient number, since it is larger than the sum of its proper divisors (163136338849).

1002145403231 is a wasteful number, since it uses less digits than its factorization.

1002145403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168174.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 1002145403231 in words is "one trillion, two billion, one hundred forty-five million, four hundred three thousand, two hundred thirty-one".