401011132001331 has 4 divisors (see below), whose sum is σ = 534681509335112. Its totient is φ = 267340754667552.

The previous prime is 401011132001303. The next prime is 401011132001353. The reversal of 401011132001331 is 133100231110104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 401011132001331 - 2⁶ = 401011132001267 is a prime.

It is a super-2 number, since 2×401011132001331² (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 = 401011132001298 and 401011132001307.

It is not an unprimeable number, because it can be changed into a prime (401011132001131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66835188666886 + ... + 66835188666891.

It is an arithmetic number, because the mean of its divisors is an integer number (133670377333778).

Almost surely, 2^{401011132001331} is an apocalyptic number.

401011132001331 is a deficient number, since it is larger than the sum of its proper divisors (133670377333781).

401011132001331 is a wasteful number, since it uses less digits than its factorization.

401011132001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133670377333780.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 401011132001331 its reverse (133100231110104), we get a palindrome (534111363111435).

The spelling of 401011132001331 in words is "four hundred one trillion, eleven billion, one hundred thirty-two million, one thousand, three hundred thirty-one".