401356773231 has 32 divisors (see below), whose sum is σ = 556222464000. Its totient is φ = 257249905920.

The previous prime is 401356773161. The next prime is 401356773241. The reversal of 401356773231 is 132377653104.

It is a happy number.

It is not a de Polignac number, because 401356773231 - 2²³ = 401348384623 is a prime.

It is a super-2 number, since 2×401356773231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401356773241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2241310 + ... + 2413748.

It is an arithmetic number, because the mean of its divisors is an integer number (17381952000).

Almost surely, 2^401356773231 is an apocalyptic number.

401356773231 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

401356773231 is a deficient number, since it is larger than the sum of its proper divisors (154865690769).

401356773231 is a wasteful number, since it uses less digits than its factorization.

401356773231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172759.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 401356773231 in words is "four hundred one billion, three hundred fifty-six million, seven hundred seventy-three thousand, two hundred thirty-one".