402011240311 has 2 divisors, whose sum is σ = 402011240312. Its totient is φ = 402011240310.

The previous prime is 402011240303. The next prime is 402011240339. The reversal of 402011240311 is 113042110204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402011240311 - 2³ = 402011240303 is a prime.

It is a super-2 number, since 2×402011240311² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402011240341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201005620155 + 201005620156.

It is an arithmetic number, because the mean of its divisors is an integer number (201005620156).

Almost surely, 2^402011240311 is an apocalyptic number.

402011240311 is a deficient number, since it is larger than the sum of its proper divisors (1).

402011240311 is an equidigital number, since it uses as much as digits as its factorization.

402011240311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 402011240311 its reverse (113042110204), we get a palindrome (515053350515).

The spelling of 402011240311 in words is "four hundred two billion, eleven million, two hundred forty thousand, three hundred eleven".