401056031 has 2 divisors, whose sum is σ = 401056032. Its totient is φ = 401056030.

The previous prime is 401056003. The next prime is 401056049. The reversal of 401056031 is 130650104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401056031 - 2¹⁴ = 401039647 is a prime.

It is a super-3 number, since 3×401056031³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 401055994 and 401056012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401056001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200528015 + 200528016.

It is an arithmetic number, because the mean of its divisors is an integer number (200528016).

Almost surely, 2^401056031 is an apocalyptic number.

401056031 is a deficient number, since it is larger than the sum of its proper divisors (1).

401056031 is an equidigital number, since it uses as much as digits as its factorization.

401056031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 401056031 is about 20026.3833729408. The cubic root of 401056031 is about 737.4541385252.

The spelling of 401056031 in words is "four hundred one million, fifty-six thousand, thirty-one".