1002342533431 has 16 divisors (see below), whose sum is σ = 1014495196000. Its totient is φ = 990247845888.

The previous prime is 1002342533429. The next prime is 1002342533461. The reversal of 1002342533431 is 1343352432001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1002342533431 - 2¹ = 1002342533429 is a prime.

It is a super-2 number, since 2×1002342533431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002342533393 and 1002342533402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002342533461) 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, 55525495 + ... + 55543543.

It is an arithmetic number, because the mean of its divisors is an integer number (63405949750).

Almost surely, 2^{1002342533431} is an apocalyptic number.

1002342533431 is a deficient number, since it is larger than the sum of its proper divisors (12152662569).

1002342533431 is a wasteful number, since it uses less digits than its factorization.

1002342533431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19618.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1002342533431 its reverse (1343352432001), we get a palindrome (2345694965432).

The spelling of 1002342533431 in words is "one trillion, two billion, three hundred forty-two million, five hundred thirty-three thousand, four hundred thirty-one".