1021310402 has 16 divisors (see below), whose sum is σ = 1754610432. Its totient is φ = 436756320.

The previous prime is 1021310351. The next prime is 1021310441. The reversal of 1021310402 is 2040131201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72299 + ... + 85262.

It is an arithmetic number, because the mean of its divisors is an integer number (109663152).

Almost surely, 2^1021310402 is an apocalyptic number.

1021310402 is a deficient number, since it is larger than the sum of its proper divisors (733300030).

1021310402 is a wasteful number, since it uses less digits than its factorization.

1021310402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158033.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1021310402 is about 31957.9473996688. The cubic root of 1021310402 is about 1007.0535971212.

Adding to 1021310402 its reverse (2040131201), we get a palindrome (3061441603).

The spelling of 1021310402 in words is "one billion, twenty-one million, three hundred ten thousand, four hundred two".