402025203051231 has 16 divisors (see below), whose sum is σ = 541284344729856. Its totient is φ = 265391879116416.

The previous prime is 402025203051217. The next prime is 402025203051233. The reversal of 402025203051231 is 132150302520204.

It is not a de Polignac number, because 402025203051231 - 2²¹ = 402025200954079 is a prime.

It is a super-2 number, since 2×402025203051231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402025203051233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52326165 + ... + 59515358.

It is an arithmetic number, because the mean of its divisors is an integer number (33830271545616).

Almost surely, 2^{402025203051231} is an apocalyptic number.

402025203051231 is a deficient number, since it is larger than the sum of its proper divisors (139259141678625).

402025203051231 is a wasteful number, since it uses less digits than its factorization.

402025203051231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111853262.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 402025203051231 its reverse (132150302520204), we get a palindrome (534175505571435).

The spelling of 402025203051231 in words is "four hundred two trillion, twenty-five billion, two hundred three million, fifty-one thousand, two hundred thirty-one".