1231315035 has 16 divisors (see below), whose sum is σ = 1976064000. Its totient is φ = 654714720.

The previous prime is 1231314983. The next prime is 1231315081. The reversal of 1231315035 is 5305131321.

It is not a de Polignac number, because 1231315035 - 2⁷ = 1231314907 is a prime.

It is a super-2 number, since 2×1231315035² = 3032273430834102450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231314996 and 1231315014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119035 + ... + 128964.

It is an arithmetic number, because the mean of its divisors is an integer number (123504000).

Almost surely, 2^1231315035 is an apocalyptic number.

1231315035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1231315035 is a deficient number, since it is larger than the sum of its proper divisors (744748965).

1231315035 is a wasteful number, since it uses less digits than its factorization.

1231315035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248338.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1231315035 is about 35090.0988171877. The cubic root of 1231315035 is about 1071.8229718419.

Adding to 1231315035 its reverse (5305131321), we get a palindrome (6536446356).

The spelling of 1231315035 in words is "one billion, two hundred thirty-one million, three hundred fifteen thousand, thirty-five".