31242001143037 has 2 divisors, whose sum is σ = 31242001143038. Its totient is φ = 31242001143036.

The previous prime is 31242001143011. The next prime is 31242001143053. The reversal of 31242001143037 is 73034110024213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29027839287001 + 2214161856036 = 5387749^2 + 1488006^2 .

It is a cyclic number.

It is not a de Polignac number, because 31242001143037 - 2¹⁹ = 31242000618749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31242001143007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15621000571518 + 15621000571519.

It is an arithmetic number, because the mean of its divisors is an integer number (15621000571519).

Almost surely, 2^{31242001143037} is an apocalyptic number.

It is an amenable number.

31242001143037 is a deficient number, since it is larger than the sum of its proper divisors (1).

31242001143037 is an equidigital number, since it uses as much as digits as its factorization.

31242001143037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 31242001143037 in words is "thirty-one trillion, two hundred forty-two billion, one million, one hundred forty-three thousand, thirty-seven".