2312431097 has 2 divisors, whose sum is σ = 2312431098. Its totient is φ = 2312431096.

The previous prime is 2312431091. The next prime is 2312431129. The reversal of 2312431097 is 7901342132.

It is an a-pointer prime, because the next prime (2312431129) can be obtained adding 2312431097 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387115536 + 925315561 = 37244^2 + 30419^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312431097 - 2¹² = 2312427001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2312431091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156215548 + 1156215549.

It is an arithmetic number, because the mean of its divisors is an integer number (1156215549).

Almost surely, 2^2312431097 is an apocalyptic number.

It is an amenable number.

2312431097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312431097 is an equidigital number, since it uses as much as digits as its factorization.

2312431097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2312431097 is about 48087.7437295617. The cubic root of 2312431097 is about 1322.3799840823.

The spelling of 2312431097 in words is "two billion, three hundred twelve million, four hundred thirty-one thousand, ninety-seven".