1022312131 has 2 divisors, whose sum is σ = 1022312132. Its totient is φ = 1022312130.

The previous prime is 1022312113. The next prime is 1022312167. The reversal of 1022312131 is 1312132201.

Together with previous prime (1022312113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022312131 - 2⁵ = 1022312099 is a prime.

It is a super-2 number, since 2×1022312131² = 2090244186379522322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022312101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511156065 + 511156066.

It is an arithmetic number, because the mean of its divisors is an integer number (511156066).

Almost surely, 2^1022312131 is an apocalyptic number.

1022312131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022312131 is an equidigital number, since it uses as much as digits as its factorization.

1022312131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1022312131 is about 31973.6161702113. The cubic root of 1022312131 is about 1007.3827380473.

Adding to 1022312131 its reverse (1312132201), we get a palindrome (2334444332).

The spelling of 1022312131 in words is "one billion, twenty-two million, three hundred twelve thousand, one hundred thirty-one".