403401030423031 has 4 divisors (see below), whose sum is σ = 403406205560064. Its totient is φ = 403395855286000.

The previous prime is 403401030423023. The next prime is 403401030423071. The reversal of 403401030423031 is 130324030104304.

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

It is a cyclic number.

It is not a de Polignac number, because 403401030423031 - 2³ = 403401030423023 is a prime.

It is a super-2 number, since 2×403401030423031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403401030423011) 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, 2587451590 + ... + 2587607491.

It is an arithmetic number, because the mean of its divisors is an integer number (100851551390016).

Almost surely, 2^{403401030423031} is an apocalyptic number.

403401030423031 is a deficient number, since it is larger than the sum of its proper divisors (5175137033).

403401030423031 is an equidigital number, since it uses as much as digits as its factorization.

403401030423031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175137032.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 403401030423031 its reverse (130324030104304), we get a palindrome (533725060527335).

The spelling of 403401030423031 in words is "four hundred three trillion, four hundred one billion, thirty million, four hundred twenty-three thousand, thirty-one".