31100421463 has 2 divisors, whose sum is σ = 31100421464. Its totient is φ = 31100421462.

The previous prime is 31100421437. The next prime is 31100421509. The reversal of 31100421463 is 36412400113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31100421463 - 2¹³ = 31100413271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31100425463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550210731 + 15550210732.

It is an arithmetic number, because the mean of its divisors is an integer number (15550210732).

Almost surely, 2^31100421463 is an apocalyptic number.

31100421463 is a deficient number, since it is larger than the sum of its proper divisors (1).

31100421463 is an equidigital number, since it uses as much as digits as its factorization.

31100421463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31100421463 its reverse (36412400113), we get a palindrome (67512821576).

The spelling of 31100421463 in words is "thirty-one billion, one hundred million, four hundred twenty-one thousand, four hundred sixty-three".