2302123022031 has 16 divisors (see below), whose sum is σ = 3509302616064. Its totient is φ = 1315009258464.

The previous prime is 2302123022027. The next prime is 2302123022131. The reversal of 2302123022031 is 1302203212032.

It is a happy number.

It is not a de Polignac number, because 2302123022031 - 2² = 2302123022027 is a prime.

It is a super-2 number, since 2×2302123022031² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2302123021989 and 2302123022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302123022021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20342700 + ... + 20455553.

It is an arithmetic number, because the mean of its divisors is an integer number (219331413504).

Almost surely, 2^{2302123022031} is an apocalyptic number.

2302123022031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2302123022031 is a deficient number, since it is larger than the sum of its proper divisors (1207179594033).

2302123022031 is a wasteful number, since it uses less digits than its factorization.

2302123022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40800950.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2302123022031 its reverse (1302203212032), we get a palindrome (3604326234063).

The spelling of 2302123022031 in words is "two trillion, three hundred two billion, one hundred twenty-three million, twenty-two thousand, thirty-one".