31031422001 has 2 divisors, whose sum is σ = 31031422002. Its totient is φ = 31031422000.

The previous prime is 31031421989. The next prime is 31031422013. The reversal of 31031422001 is 10022413013.

It is a balanced prime because it is at equal distance from previous prime (31031421989) and next prime (31031422013).

It can be written as a sum of positive squares in only one way, i.e., 27733906225 + 3297515776 = 166535^2 + 57424^2 .

It is a cyclic number.

It is not a de Polignac number, because 31031422001 - 2¹⁸ = 31031159857 is a prime.

It is not a weakly prime, because it can be changed into another prime (31031422031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515711000 + 15515711001.

It is an arithmetic number, because the mean of its divisors is an integer number (15515711001).

Almost surely, 2^31031422001 is an apocalyptic number.

It is an amenable number.

31031422001 is a deficient number, since it is larger than the sum of its proper divisors (1).

31031422001 is an equidigital number, since it uses as much as digits as its factorization.

31031422001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31031422001 its reverse (10022413013), we get a palindrome (41053835014).

The spelling of 31031422001 in words is "thirty-one billion, thirty-one million, four hundred twenty-two thousand, one".