401204031 has 16 divisors (see below), whose sum is σ = 543449088. Its totient is φ = 263228000.

The previous prime is 401204003. The next prime is 401204087. The reversal of 401204031 is 130402104.

It is a cyclic number.

It is not a de Polignac number, because 401204031 - 2¹⁸ = 400941887 is a prime.

It is a super-2 number, since 2×401204031² = 321929348981297922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401204031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401209031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147970 + ... + 150656.

It is an arithmetic number, because the mean of its divisors is an integer number (33965568).

Almost surely, 2^401204031 is an apocalyptic number.

401204031 is a deficient number, since it is larger than the sum of its proper divisors (142245057).

401204031 is a wasteful number, since it uses less digits than its factorization.

401204031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 401204031 is about 20030.0781576109. The cubic root of 401204031 is about 737.5448405562.

Adding to 401204031 its reverse (130402104), we get a palindrome (531606135).

The spelling of 401204031 in words is "four hundred one million, two hundred four thousand, thirty-one".