31429275601 has 2 divisors, whose sum is σ = 31429275602. Its totient is φ = 31429275600.

The previous prime is 31429275583. The next prime is 31429275607. The reversal of 31429275601 is 10657292413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25496424976 + 5932850625 = 159676^2 + 77025^2 .

It is a cyclic number.

It is not a de Polignac number, because 31429275601 - 2⁷ = 31429275473 is a prime.

It is a super-2 number, since 2×31429275601² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31429275607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15714637800 + 15714637801.

It is an arithmetic number, because the mean of its divisors is an integer number (15714637801).

Almost surely, 2^31429275601 is an apocalyptic number.

It is an amenable number.

31429275601 is a deficient number, since it is larger than the sum of its proper divisors (1).

31429275601 is an equidigital number, since it uses as much as digits as its factorization.

31429275601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 31429275601 in words is "thirty-one billion, four hundred twenty-nine million, two hundred seventy-five thousand, six hundred one".