103400731731 has 16 divisors (see below), whose sum is σ = 150406622208. Its totient is φ = 62664794400.

The previous prime is 103400731729. The next prime is 103400731739. The reversal of 103400731731 is 137137004301.

It is not a de Polignac number, because 103400731731 - 2¹ = 103400731729 is a prime.

It is a super-2 number, since 2×103400731731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103400731739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386526 + ... + 1459196.

It is an arithmetic number, because the mean of its divisors is an integer number (9400413888).

Almost surely, 2^103400731731 is an apocalyptic number.

103400731731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103400731731 is a deficient number, since it is larger than the sum of its proper divisors (47005890477).

103400731731 is a wasteful number, since it uses less digits than its factorization.

103400731731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115802.

The product of its (nonzero) digits is 5292, while the sum is 30.

The spelling of 103400731731 in words is "one hundred three billion, four hundred million, seven hundred thirty-one thousand, seven hundred thirty-one".