401234331 has 8 divisors (see below), whose sum is σ = 538522624. Its totient is φ = 265717800.

The previous prime is 401234329. The next prime is 401234363. The reversal of 401234331 is 133432104.

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

It is not a de Polignac number, because 401234331 - 2¹ = 401234329 is a prime.

It is a super-2 number, since 2×401234331² = 321977976746035122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401234298 and 401234307.

It is not an unprimeable number, because it can be changed into a prime (401234321) 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, 442411 + ... + 443316.

It is an arithmetic number, because the mean of its divisors is an integer number (67315328).

Almost surely, 2^401234331 is an apocalyptic number.

401234331 is a deficient number, since it is larger than the sum of its proper divisors (137288293).

401234331 is a wasteful number, since it uses less digits than its factorization.

401234331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885881.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 401234331 is about 20030.8345058313. The cubic root of 401234331 is about 737.5634072076.

Adding to 401234331 its reverse (133432104), we get a palindrome (534666435).

The spelling of 401234331 in words is "four hundred one million, two hundred thirty-four thousand, three hundred thirty-one".