31470001 has 12 divisors (see below), whose sum is σ = 32757676. Its totient is φ = 30228480.

The previous prime is 31469989. The next prime is 31470013. The reversal of 31470001 is 10007413.

It is an interprime number because it is at equal distance from previous prime (31469989) and next prime (31470013).

It can be written as a sum of positive squares in 6 ways, for example, as 13838400 + 17631601 = 3720^2 + 4199^2 .

It is not a de Polignac number, because 31470001 - 2¹⁷ = 31338929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31470701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162961 + ... + 163153.

Almost surely, 2^31470001 is an apocalyptic number.

It is an amenable number.

31470001 is a deficient number, since it is larger than the sum of its proper divisors (1287675).

31470001 is an equidigital number, since it uses as much as digits as its factorization.

31470001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 31470001 is about 5609.8129202318. The cubic root of 31470001 is about 315.7176917055.

Adding to 31470001 its reverse (10007413), we get a palindrome (41477414).

The spelling of 31470001 in words is "thirty-one million, four hundred seventy thousand, one".