1201400313 has 16 divisors (see below), whose sum is σ = 1658119680. Its totient is φ = 772841216.

The previous prime is 1201400309. The next prime is 1201400329. The reversal of 1201400313 is 3130041021.

It is a cyclic number.

It is not a de Polignac number, because 1201400313 - 2² = 1201400309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201400292 and 1201400301.

It is not an unprimeable number, because it can be changed into a prime (1201400113) 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, 188881 + ... + 195137.

It is an arithmetic number, because the mean of its divisors is an integer number (103632480).

Almost surely, 2^1201400313 is an apocalyptic number.

It is an amenable number.

1201400313 is a deficient number, since it is larger than the sum of its proper divisors (456719367).

1201400313 is a wasteful number, since it uses less digits than its factorization.

1201400313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1201400313 is about 34661.2220355832. Note that the first 3 decimals coincide. The cubic root of 1201400313 is about 1063.0717570067.

Adding to 1201400313 its reverse (3130041021), we get a palindrome (4331441334).

The spelling of 1201400313 in words is "one billion, two hundred one million, four hundred thousand, three hundred thirteen".