1052402351231 has 32 divisors (see below), whose sum is σ = 1318800890880. Its totient is φ = 815864832000.

The previous prime is 1052402351213. The next prime is 1052402351263. The reversal of 1052402351231 is 1321532042501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052402351231 is a prime.

It is a super-2 number, since 2×1052402351231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052402351194 and 1052402351203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052402351431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16373006 + ... + 16437156.

It is an arithmetic number, because the mean of its divisors is an integer number (41212527840).

Almost surely, 2^{1052402351231} is an apocalyptic number.

1052402351231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1052402351231 is a deficient number, since it is larger than the sum of its proper divisors (266398539649).

1052402351231 is a wasteful number, since it uses less digits than its factorization.

1052402351231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65255.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1052402351231 its reverse (1321532042501), we get a palindrome (2373934393732).

The spelling of 1052402351231 in words is "one trillion, fifty-two billion, four hundred two million, three hundred fifty-one thousand, two hundred thirty-one".