1613400311 has 2 divisors, whose sum is σ = 1613400312. Its totient is φ = 1613400310.

The previous prime is 1613400293. The next prime is 1613400337. The reversal of 1613400311 is 1130043161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1613400311 - 2⁶ = 1613400247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1613420311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806700155 + 806700156.

It is an arithmetic number, because the mean of its divisors is an integer number (806700156).

Almost surely, 2^1613400311 is an apocalyptic number.

1613400311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613400311 is an equidigital number, since it uses as much as digits as its factorization.

1613400311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1613400311 is about 40167.1546291245. The cubic root of 1613400311 is about 1172.8632507433.

Adding to 1613400311 its reverse (1130043161), we get a palindrome (2743443472).

The spelling of 1613400311 in words is "one billion, six hundred thirteen million, four hundred thousand, three hundred eleven".