1930420121331 has 16 divisors (see below), whose sum is σ = 2772016166304. Its totient is φ = 1187894759424.

The previous prime is 1930420121309. The next prime is 1930420121353. The reversal of 1930420121331 is 1331210240391.

It is an interprime number because it is at equal distance from previous prime (1930420121309) and next prime (1930420121353).

It is not a de Polignac number, because 1930420121331 - 2¹¹ = 1930420119283 is a prime.

It is a super-2 number, since 2×1930420121331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1930420121131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324036 + ... + 1991441.

It is an arithmetic number, because the mean of its divisors is an integer number (173251010394).

Almost surely, 2^{1930420121331} is an apocalyptic number.

1930420121331 is a deficient number, since it is larger than the sum of its proper divisors (841596044973).

1930420121331 is a wasteful number, since it uses less digits than its factorization.

1930420121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336870.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 1930420121331 in words is "one trillion, nine hundred thirty billion, four hundred twenty million, one hundred twenty-one thousand, three hundred thirty-one".