54203131 has 2 divisors, whose sum is σ = 54203132. Its totient is φ = 54203130.

The previous prime is 54203129. The next prime is 54203137. The reversal of 54203131 is 13130245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54203131 - 2¹ = 54203129 is a prime.

It is a super-2 number, since 2×54203131² = 5875958820406322, which contains 22 as substring.

Together with 54203129, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54203099 and 54203108.

It is not a weakly prime, because it can be changed into another prime (54203137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27101565 + 27101566.

It is an arithmetic number, because the mean of its divisors is an integer number (27101566).

Almost surely, 2^54203131 is an apocalyptic number.

54203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54203131 is an equidigital number, since it uses as much as digits as its factorization.

54203131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 54203131 is about 7362.2775687962. The cubic root of 54203131 is about 378.4496645677.

Adding to 54203131 its reverse (13130245), we get a palindrome (67333376).

The spelling of 54203131 in words is "fifty-four million, two hundred three thousand, one hundred thirty-one".