402020241103331 has 4 divisors (see below), whose sum is σ = 414988635977664. Its totient is φ = 389051846229000.

The previous prime is 402020241103303. The next prime is 402020241103357. The reversal of 402020241103331 is 133301142020204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402020241103331 - 2⁶ = 402020241103267 is a prime.

It is a super-2 number, since 2×402020241103331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402020241103331.

It is not an unprimeable number, because it can be changed into a prime (402020241103631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6484197437120 + ... + 6484197437181.

It is an arithmetic number, because the mean of its divisors is an integer number (103747158994416).

Almost surely, 2^{402020241103331} is an apocalyptic number.

402020241103331 is a deficient number, since it is larger than the sum of its proper divisors (12968394874333).

402020241103331 is a wasteful number, since it uses less digits than its factorization.

402020241103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12968394874332.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 402020241103331 its reverse (133301142020204), we get a palindrome (535321383123535).

The spelling of 402020241103331 in words is "four hundred two trillion, twenty billion, two hundred forty-one million, one hundred three thousand, three hundred thirty-one".