401513336631 has 12 divisors (see below), whose sum is σ = 632687682120. Its totient is φ = 243341416080.

The previous prime is 401513336629. The next prime is 401513336633. The reversal of 401513336631 is 136633315104.

401513336631 is a `hidden beast` number, since 4 + 0 + 1 + 5 + 13 + 3 + 3 + 6 + 631 = 666.

It is an interprime number because it is at equal distance from previous prime (401513336629) and next prime (401513336633).

It is not a de Polignac number, because 401513336631 - 2¹ = 401513336629 is a prime.

It is a super-2 number, since 2×401513336631² (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 (401513336633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027845036 + ... + 2027845233.

It is an arithmetic number, because the mean of its divisors is an integer number (52723973510).

Almost surely, 2^401513336631 is an apocalyptic number.

401513336631 is a deficient number, since it is larger than the sum of its proper divisors (231174345489).

401513336631 is a wasteful number, since it uses less digits than its factorization.

401513336631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055690286 (or 4055690283 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 401513336631 in words is "four hundred one billion, five hundred thirteen million, three hundred thirty-six thousand, six hundred thirty-one".