102022420031 has 4 divisors (see below), whose sum is σ = 116597051472. Its totient is φ = 87447788592.

The previous prime is 102022420021. The next prime is 102022420063. The reversal of 102022420031 is 130024220201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102022420031 - 2¹⁰ = 102022419007 is a prime.

It is a super-2 number, since 2×102022420031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102022419991 and 102022420009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022420021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7287315710 + ... + 7287315723.

It is an arithmetic number, because the mean of its divisors is an integer number (29149262868).

Almost surely, 2^102022420031 is an apocalyptic number.

102022420031 is a deficient number, since it is larger than the sum of its proper divisors (14574631441).

102022420031 is an equidigital number, since it uses as much as digits as its factorization.

102022420031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574631440.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102022420031 its reverse (130024220201), we get a palindrome (232046640232).

The spelling of 102022420031 in words is "one hundred two billion, twenty-two million, four hundred twenty thousand, thirty-one".