402302423031 has 16 divisors (see below), whose sum is σ = 559742643456. Its totient is φ = 256532639616.

The previous prime is 402302423023. The next prime is 402302423071. The reversal of 402302423031 is 130324203204.

It is not a de Polignac number, because 402302423031 - 2³ = 402302423023 is a prime.

It is a super-2 number, since 2×402302423031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402302422992 and 402302423010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402302423011) 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, 2774376 + ... + 2915778.

It is an arithmetic number, because the mean of its divisors is an integer number (34983915216).

Almost surely, 2^402302423031 is an apocalyptic number.

402302423031 is a deficient number, since it is larger than the sum of its proper divisors (157440220425).

402302423031 is a wasteful number, since it uses less digits than its factorization.

402302423031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182662.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 402302423031 its reverse (130324203204), we get a palindrome (532626626235).

The spelling of 402302423031 in words is "four hundred two billion, three hundred two million, four hundred twenty-three thousand, thirty-one".