10421400331431 has 12 divisors (see below), whose sum is σ = 15610657286952. Its totient is φ = 6947600220792.

The previous prime is 10421400331427. The next prime is 10421400331493. The reversal of 10421400331431 is 13413300412401.

10421400331431 is a `hidden beast` number, since 10 + 4 + 214 + 0 + 0 + 3 + 3 + 1 + 431 = 666.

It is not a de Polignac number, because 10421400331431 - 2² = 10421400331427 is a prime.

It is a super-2 number, since 2×10421400331431² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10421400331395 and 10421400331404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421400331421) 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, 21443210316 + ... + 21443210801.

It is an arithmetic number, because the mean of its divisors is an integer number (1300888107246).

Almost surely, 2^{10421400331431} is an apocalyptic number.

10421400331431 is a deficient number, since it is larger than the sum of its proper divisors (5189256955521).

10421400331431 is an frugal number, since it uses more digits than its factorization.

10421400331431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42886421132 (or 42886421120 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 10421400331431 its reverse (13413300412401), we get a palindrome (23834700743832).

The spelling of 10421400331431 in words is "ten trillion, four hundred twenty-one billion, four hundred million, three hundred thirty-one thousand, four hundred thirty-one".