1351924378431 has 16 divisors (see below), whose sum is σ = 1966457495808. Its totient is φ = 819338926400.

The previous prime is 1351924378393. The next prime is 1351924378433. The reversal of 1351924378431 is 1348734291531.

It is a cyclic number.

It is not a de Polignac number, because 1351924378431 - 2¹⁰ = 1351924377407 is a prime.

It is a super-2 number, since 2×1351924378431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351924378433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3833035 + ... + 4170851.

It is an arithmetic number, because the mean of its divisors is an integer number (122903593488).

Almost surely, 2^{1351924378431} is an apocalyptic number.

1351924378431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1351924378431 is a deficient number, since it is larger than the sum of its proper divisors (614533117377).

1351924378431 is a wasteful number, since it uses less digits than its factorization.

1351924378431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459102.

The product of its digits is 2177280, while the sum is 51.

The spelling of 1351924378431 in words is "one trillion, three hundred fifty-one billion, nine hundred twenty-four million, three hundred seventy-eight thousand, four hundred thirty-one".