31003212002 has 16 divisors (see below), whose sum is σ = 53182845312. Its totient is φ = 13278470400.

The previous prime is 31003211989. The next prime is 31003212007. The reversal of 31003212002 is 20021230013.

It is a happy number.

It is a super-2 number, since 2×31003212002² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (31003212007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695999 + ... + 739202.

It is an arithmetic number, because the mean of its divisors is an integer number (3323927832).

Almost surely, 2^31003212002 is an apocalyptic number.

31003212002 is a deficient number, since it is larger than the sum of its proper divisors (22179633310).

31003212002 is a wasteful number, since it uses less digits than its factorization.

31003212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436753.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 31003212002 its reverse (20021230013), we get a palindrome (51024442015).

The spelling of 31003212002 in words is "thirty-one billion, three million, two hundred twelve thousand, two".