401311012 has 6 divisors (see below), whose sum is σ = 702294278. Its totient is φ = 200655504.

The previous prime is 401311007. The next prime is 401311037. The reversal of 401311012 is 210113104.

It can be written as a sum of positive squares in only one way, i.e., 203233536 + 198077476 = 14256^2 + 14074^2 .

It is a super-2 number, since 2×401311012² = 322101056704928288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401310983 and 401311001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50163873 + ... + 50163880.

Almost surely, 2^401311012 is an apocalyptic number.

It is an amenable number.

401311012 is a deficient number, since it is larger than the sum of its proper divisors (300983266).

401311012 is a wasteful number, since it uses less digits than its factorization.

401311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100327757 (or 100327755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 401311012 is about 20032.7484884127. The cubic root of 401311012 is about 737.6103901406.

Adding to 401311012 its reverse (210113104), we get a palindrome (611424116).

The spelling of 401311012 in words is "four hundred one million, three hundred eleven thousand, twelve".