31425541001 has 2 divisors, whose sum is σ = 31425541002. Its totient is φ = 31425541000.

The previous prime is 31425540973. The next prime is 31425541087. The reversal of 31425541001 is 10014552413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15750501001 + 15675040000 = 125501^2 + 125200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31425541001 is a prime.

It is not a weakly prime, because it can be changed into another prime (31425541501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712770500 + 15712770501.

It is an arithmetic number, because the mean of its divisors is an integer number (15712770501).

Almost surely, 2^31425541001 is an apocalyptic number.

It is an amenable number.

31425541001 is a deficient number, since it is larger than the sum of its proper divisors (1).

31425541001 is an equidigital number, since it uses as much as digits as its factorization.

31425541001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 31425541001 in words is "thirty-one billion, four hundred twenty-five million, five hundred forty-one thousand, one".