1304241631 has 32 divisors (see below), whose sum is σ = 1658764800. Its totient is φ = 996019200.

The previous prime is 1304241629. The next prime is 1304241647. The reversal of 1304241631 is 1361424031.

It is not a de Polignac number, because 1304241631 - 2¹ = 1304241629 is a prime.

It is a super-2 number, since 2×1304241631² = 3402092464067080322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1304241596 and 1304241605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304241661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1242795 + ... + 1243843.

It is an arithmetic number, because the mean of its divisors is an integer number (51836400).

Almost surely, 2^1304241631 is an apocalyptic number.

1304241631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1304241631 is a deficient number, since it is larger than the sum of its proper divisors (354523169).

1304241631 is a wasteful number, since it uses less digits than its factorization.

1304241631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1304241631 is about 36114.2856913992. The cubic root of 1304241631 is about 1092.5785908026.

Adding to 1304241631 its reverse (1361424031), we get a palindrome (2665665662).

The spelling of 1304241631 in words is "one billion, three hundred four million, two hundred forty-one thousand, six hundred thirty-one".