1234313131 has 16 divisors (see below), whose sum is σ = 1328970240. Its totient is φ = 1142799840.

The previous prime is 1234313111. The next prime is 1234313137. The reversal of 1234313131 is 1313134321.

It is not a de Polignac number, because 1234313131 - 2¹⁵ = 1234280363 is a prime.

It is a super-2 number, since 2×1234313131² = 3047057810718046322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234313137) 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, 270636 + ... + 275158.

It is an arithmetic number, because the mean of its divisors is an integer number (83060640).

Almost surely, 2^1234313131 is an apocalyptic number.

1234313131 is a deficient number, since it is larger than the sum of its proper divisors (94657109).

1234313131 is a wasteful number, since it uses less digits than its factorization.

1234313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866.

The product of its digits is 648, while the sum is 22.

The square root of 1234313131 is about 35132.7928152602. The cubic root of 1234313131 is about 1072.6921844314.

Adding to 1234313131 its reverse (1313134321), we get a palindrome (2547447452).

The spelling of 1234313131 in words is "one billion, two hundred thirty-four million, three hundred thirteen thousand, one hundred thirty-one".