1234313031 has 16 divisors (see below), whose sum is σ = 1882317824. Its totient is φ = 704774304.

The previous prime is 1234313023. The next prime is 1234313039. The reversal of 1234313031 is 1303134321.

It is an interprime number because it is at equal distance from previous prime (1234313023) and next prime (1234313039).

It is not a de Polignac number, because 1234313031 - 2³ = 1234313023 is a prime.

It is a super-2 number, since 2×1234313031² = 3047057316992813922, which contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1234312989 and 1234313007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234313039) 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, 5721 + ... + 50013.

It is an arithmetic number, because the mean of its divisors is an integer number (117644864).

Almost surely, 2^1234313031 is an apocalyptic number.

1234313031 is a deficient number, since it is larger than the sum of its proper divisors (648004793).

1234313031 is a wasteful number, since it uses less digits than its factorization.

1234313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45630.

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

The square root of 1234313031 is about 35132.7913920884. The cubic root of 1234313031 is about 1072.6921554627.

Adding to 1234313031 its reverse (1303134321), we get a palindrome (2537447352).

The spelling of 1234313031 in words is "one billion, two hundred thirty-four million, three hundred thirteen thousand, thirty-one".