102031022 has 4 divisors (see below), whose sum is σ = 153046536. Its totient is φ = 51015510.

The previous prime is 102030953. The next prime is 102031037. The reversal of 102031022 is 220130201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220130201 = 43 ⋅5119307.

It is a junction number, because it is equal to n+sod(n) for n = 102030994 and 102031012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25507754 + ... + 25507757.

It is an arithmetic number, because the mean of its divisors is an integer number (38261634).

Almost surely, 2^102031022 is an apocalyptic number.

102031022 is a deficient number, since it is larger than the sum of its proper divisors (51015514).

102031022 is an equidigital number, since it uses as much as digits as its factorization.

102031022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51015513.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102031022 is about 10101.0406394589. The cubic root of 102031022 is about 467.2802356754.

Adding to 102031022 its reverse (220130201), we get a palindrome (322161223).

The spelling of 102031022 in words is "one hundred two million, thirty-one thousand, twenty-two".