1034003400381 has 48 divisors (see below), whose sum is σ = 1804220429440. Its totient is φ = 557438423040.

The previous prime is 1034003400377. The next prime is 1034003400383. The reversal of 1034003400381 is 1830043004301.

It is not a de Polignac number, because 1034003400381 - 2² = 1034003400377 is a prime.

It is a super-2 number, since 2×1034003400381² (a number of 25 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 (1034003400383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1503700 + ... + 2080653.

Almost surely, 2^{1034003400381} is an apocalyptic number.

It is an amenable number.

1034003400381 is a deficient number, since it is larger than the sum of its proper divisors (770217029059).

1034003400381 is a wasteful number, since it uses less digits than its factorization.

1034003400381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584626 (or 3584623 counting only the distinct ones).

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

Adding to 1034003400381 its reverse (1830043004301), we get a palindrome (2864046404682).

The spelling of 1034003400381 in words is "one trillion, thirty-four billion, three million, four hundred thousand, three hundred eighty-one".