52103402031 has 16 divisors (see below), whose sum is σ = 70659072000. Its totient is φ = 34141840128.

The previous prime is 52103402027. The next prime is 52103402069. The reversal of 52103402031 is 13020430125.

It is not a de Polignac number, because 52103402031 - 2² = 52103402027 is a prime.

It is a super-2 number, since 2×52103402031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52103401989 and 52103402007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52103402431) 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, 1477695 + ... + 1512543.

It is an arithmetic number, because the mean of its divisors is an integer number (4416192000).

Almost surely, 2^52103402031 is an apocalyptic number.

52103402031 is a deficient number, since it is larger than the sum of its proper divisors (18555669969).

52103402031 is a wasteful number, since it uses less digits than its factorization.

52103402031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43358.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 52103402031 its reverse (13020430125), we get a palindrome (65123832156).

The spelling of 52103402031 in words is "fifty-two billion, one hundred three million, four hundred two thousand, thirty-one".