401553010031 has 4 divisors (see below), whose sum is σ = 422687379000. Its totient is φ = 380418641064.

The previous prime is 401553010013. The next prime is 401553010081. The reversal of 401553010031 is 130010355104.

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 401553010031 - 2¹⁸ = 401552747887 is a prime.

It is a super-2 number, since 2×401553010031² (a number of 24 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 = 401553009979 and 401553010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401553010081) 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, 10567184456 + ... + 10567184493.

It is an arithmetic number, because the mean of its divisors is an integer number (105671844750).

Almost surely, 2^401553010031 is an apocalyptic number.

401553010031 is a deficient number, since it is larger than the sum of its proper divisors (21134368969).

401553010031 is a wasteful number, since it uses less digits than its factorization.

401553010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21134368968.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 401553010031 its reverse (130010355104), we get a palindrome (531563365135).

The spelling of 401553010031 in words is "four hundred one billion, five hundred fifty-three million, ten thousand, thirty-one".