402001030112331 has 8 divisors (see below), whose sum is σ = 577232248366480. Its totient is φ = 247385249299872.

The previous prime is 402001030112197. The next prime is 402001030112347. The reversal of 402001030112331 is 133211030100204.

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

It is not a de Polignac number, because 402001030112331 - 2¹⁴ = 402001030095947 is a prime.

It is a super-2 number, since 2×402001030112331² (a number of 30 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 = 402001030112298 and 402001030112307.

It is not an unprimeable number, because it can be changed into a prime (402001032112331) 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, 5153859360376 + ... + 5153859360453.

It is an arithmetic number, because the mean of its divisors is an integer number (72154031045810).

Almost surely, 2^{402001030112331} is an apocalyptic number.

402001030112331 is a deficient number, since it is larger than the sum of its proper divisors (175231218254149).

402001030112331 is a wasteful number, since it uses less digits than its factorization.

402001030112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307718720845.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 402001030112331 its reverse (133211030100204), we get a palindrome (535212060212535).

The spelling of 402001030112331 in words is "four hundred two trillion, one billion, thirty million, one hundred twelve thousand, three hundred thirty-one".