1230311013 has 32 divisors (see below), whose sum is σ = 1729115520. Its totient is φ = 777288960.

The previous prime is 1230310987. The next prime is 1230311023. The reversal of 1230311013 is 3101130321.

It is not a de Polignac number, because 1230311013 - 2¹⁷ = 1230179941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230310983 and 1230311001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230311023) 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, 737206 + ... + 738872.

It is an arithmetic number, because the mean of its divisors is an integer number (54034860).

Almost surely, 2^1230311013 is an apocalyptic number.

It is an amenable number.

1230311013 is a deficient number, since it is larger than the sum of its proper divisors (498804507).

1230311013 is a wasteful number, since it uses less digits than its factorization.

1230311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1230311013 is about 35075.7895563307. The cubic root of 1230311013 is about 1071.5315688997.

Adding to 1230311013 its reverse (3101130321), we get a palindrome (4331441334).

The spelling of 1230311013 in words is "one billion, two hundred thirty million, three hundred eleven thousand, thirteen".