1631297002 has 8 divisors (see below), whose sum is σ = 2459757312. Its totient is φ = 811377900.

The previous prime is 1631296987. The next prime is 1631297027. The reversal of 1631297002 is 2007921361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1631297002² = 5322259817468376008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134824 + ... + 2135587.

It is an arithmetic number, because the mean of its divisors is an integer number (307469664).

Almost surely, 2^1631297002 is an apocalyptic number.

1631297002 is a deficient number, since it is larger than the sum of its proper divisors (828460310).

1631297002 is a wasteful number, since it uses less digits than its factorization.

1631297002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270604.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1631297002 is about 40389.3179194697. The cubic root of 1631297002 is about 1177.1839874534.

The spelling of 1631297002 in words is "one billion, six hundred thirty-one million, two hundred ninety-seven thousand, two".