3031420202431 has 2 divisors, whose sum is σ = 3031420202432. Its totient is φ = 3031420202430.

The previous prime is 3031420202423. The next prime is 3031420202443. The reversal of 3031420202431 is 1342020241303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3031420202431 - 2³ = 3031420202423 is a prime.

It is a super-2 number, since 2×3031420202431² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3031420202396 and 3031420202405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3031420232431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515710101215 + 1515710101216.

It is an arithmetic number, because the mean of its divisors is an integer number (1515710101216).

Almost surely, 2^{3031420202431} is an apocalyptic number.

3031420202431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031420202431 is an equidigital number, since it uses as much as digits as its factorization.

3031420202431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 3031420202431 its reverse (1342020241303), we get a palindrome (4373440443734).

The spelling of 3031420202431 in words is "three trillion, thirty-one billion, four hundred twenty million, two hundred two thousand, four hundred thirty-one".