331012401 has 16 divisors (see below), whose sum is σ = 451690560. Its totient is φ = 215542080.

The previous prime is 331012391. The next prime is 331012417. The reversal of 331012401 is 104210133.

It is not a de Polignac number, because 331012401 - 2⁶ = 331012337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331012601) 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, 31866 + ... + 40956.

It is an arithmetic number, because the mean of its divisors is an integer number (28230660).

Almost surely, 2^331012401 is an apocalyptic number.

It is an amenable number.

331012401 is a deficient number, since it is larger than the sum of its proper divisors (120678159).

331012401 is a wasteful number, since it uses less digits than its factorization.

331012401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9376.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 331012401 is about 18193.7462057708. The cubic root of 331012401 is about 691.7482802875.

Adding to 331012401 its reverse (104210133), we get a palindrome (435222534).

The spelling of 331012401 in words is "three hundred thirty-one million, twelve thousand, four hundred one".