102031051 has 2 divisors, whose sum is σ = 102031052. Its totient is φ = 102031050.

The previous prime is 102031043. The next prime is 102031067. The reversal of 102031051 is 150130201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102031051 - 2³ = 102031043 is a prime.

It is not a weakly prime, because it can be changed into another prime (102031091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015525 + 51015526.

It is an arithmetic number, because the mean of its divisors is an integer number (51015526).

Almost surely, 2^102031051 is an apocalyptic number.

102031051 is a deficient number, since it is larger than the sum of its proper divisors (1).

102031051 is an equidigital number, since it uses as much as digits as its factorization.

102031051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 102031051 is about 10101.0420749544. The cubic root of 102031051 is about 467.2802799466.

Adding to 102031051 its reverse (150130201), we get a palindrome (252161252).

The spelling of 102031051 in words is "one hundred two million, thirty-one thousand, fifty-one".