1021342413 has 32 divisors (see below), whose sum is σ = 1721364736. Its totient is φ = 524164608.

The previous prime is 1021342411. The next prime is 1021342423. The reversal of 1021342413 is 3142431201.

It is not a de Polignac number, because 1021342413 - 2¹ = 1021342411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1021342413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021342411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40456 + ... + 60657.

It is an arithmetic number, because the mean of its divisors is an integer number (53792648).

Almost surely, 2^1021342413 is an apocalyptic number.

1021342413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1021342413 is a deficient number, since it is larger than the sum of its proper divisors (700022323).

1021342413 is a wasteful number, since it uses less digits than its factorization.

1021342413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101173.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1021342413 is about 31958.4482257822. The cubic root of 1021342413 is about 1007.0641183940.

Adding to 1021342413 its reverse (3142431201), we get a palindrome (4163773614).

The spelling of 1021342413 in words is "one billion, twenty-one million, three hundred forty-two thousand, four hundred thirteen".