381321001435 has 24 divisors (see below), whose sum is σ = 507848796000. Its totient is φ = 274631850240.

The previous prime is 381321001393. The next prime is 381321001489. The reversal of 381321001435 is 534100123183.

It is a happy number.

It is not a de Polignac number, because 381321001435 - 2⁹ = 381321000923 is a prime.

It is a super-2 number, since 2×381321001435² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 381321001397 and 381321001406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2997310 + ... + 3121939.

It is an arithmetic number, because the mean of its divisors is an integer number (21160366500).

Almost surely, 2^381321001435 is an apocalyptic number.

381321001435 is a deficient number, since it is larger than the sum of its proper divisors (126527794565).

381321001435 is a wasteful number, since it uses less digits than its factorization.

381321001435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119379 (or 6119368 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 381321001435 in words is "three hundred eighty-one billion, three hundred twenty-one million, one thousand, four hundred thirty-five".