1301331234 has 16 divisors (see below), whose sum is σ = 2974471488. Its totient is φ = 371808912.

The previous prime is 1301331233. The next prime is 1301331263. The reversal of 1301331234 is 4321331031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1301331234.

It is not an unprimeable number, because it can be changed into a prime (1301331233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15491997 + ... + 15492080.

It is an arithmetic number, because the mean of its divisors is an integer number (185904468).

Almost surely, 2^1301331234 is an apocalyptic number.

1301331234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1301331234 is an abundant number, since it is smaller than the sum of its proper divisors (1673140254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301331234 is a wasteful number, since it uses less digits than its factorization.

1301331234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30984089.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1301331234 is about 36073.9689249741. The cubic root of 1301331234 is about 1091.7652942559.

Adding to 1301331234 its reverse (4321331031), we get a palindrome (5622662265).

The spelling of 1301331234 in words is "one billion, three hundred one million, three hundred thirty-one thousand, two hundred thirty-four".