421358542031 has 12 divisors (see below), whose sum is σ = 490544280000. Its totient is φ = 360875249280.

The previous prime is 421358542027. The next prime is 421358542067. The reversal of 421358542031 is 130245853124.

It is not a de Polignac number, because 421358542031 - 2² = 421358542027 is a prime.

It is a super-2 number, since 2×421358542031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421358542091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3381215 + ... + 3503616.

It is an arithmetic number, because the mean of its divisors is an integer number (40878690000).

Almost surely, 2^421358542031 is an apocalyptic number.

421358542031 is a deficient number, since it is larger than the sum of its proper divisors (69185737969).

421358542031 is a wasteful number, since it uses less digits than its factorization.

421358542031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886094 (or 6886087 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 421358542031 in words is "four hundred twenty-one billion, three hundred fifty-eight million, five hundred forty-two thousand, thirty-one".