402112242031 has 8 divisors (see below), whose sum is σ = 406645414560. Its totient is φ = 397579404288.

The previous prime is 402112242023. The next prime is 402112242041. The reversal of 402112242031 is 130242211204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402112242031 - 2³ = 402112242023 is a prime.

It is a super-2 number, since 2×402112242031² (a number of 24 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 = 402112241993 and 402112242011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402112242001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2946550 + ... + 3079996.

It is an arithmetic number, because the mean of its divisors is an integer number (50830676820).

Almost surely, 2^402112242031 is an apocalyptic number.

402112242031 is a deficient number, since it is larger than the sum of its proper divisors (4533172529).

402112242031 is a wasteful number, since it uses less digits than its factorization.

402112242031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167393.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 402112242031 its reverse (130242211204), we get a palindrome (532354453235).

The spelling of 402112242031 in words is "four hundred two billion, one hundred twelve million, two hundred forty-two thousand, thirty-one".